{"id":11129,"date":"2017-07-27T03:11:03","date_gmt":"2017-07-26T18:11:03","guid":{"rendered":"http:\/\/melotopia.net\/b\/?p=11129"},"modified":"2017-08-23T23:39:44","modified_gmt":"2017-08-23T14:39:44","slug":"%ed%95%a8%ec%88%98%eb%a5%bc-%ed%95%a8%ec%88%98%eb%a1%9c-%eb%af%b8%eb%b6%84%ed%95%98%ea%b8%b0-%eb%b3%80%eb%b6%84","status":"publish","type":"post","link":"http:\/\/melotopia.net\/b\/?p=11129","title":{"rendered":"\ud568\uc218\ub97c \ud568\uc218\ub85c \ubbf8\ubd84\ud558\uae30: \ubcc0\ubd84"},"content":{"rendered":"<p>\ubb3c\ub9ac\ud559 \ubb38\uc81c\ub97c \ud480\ub2e4\ubcf4\uba74 \ud754\ud788 \ubcc0\ubd84 \ubb38\uc81c\ub97c \ud480\uc5b4\uc57c \ud558\uace0, \ubcc0\ubd84 \ubb38\uc81c\ub97c \ud480\uae30 \uc704\ud574\uc11c\ub294 \ub77c\uadf8\ub791\uc9c0\uc548\uc774\ub77c\ub294 \ud568\uc218\uc5d0 \uad00\ud55c \ud568\uc218\ub97c \ud568\uc218\ub85c \ubbf8\ubd84\ud574\uc57c \ud558\ub294 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud55c\ub2e4. \uc774\uac83\uc744 \uc5b4\ub5bb\uac8c \ud574\uc11d\ud574\uc57c \ud560\uae4c? \uc77c\ub2e8\uc740 \ud754\ud55c \ubbf8\ubd84\ubc95\uc5d0\uc11c\ubd80\ud130 \uc2dc\uc791\uc744 \ud574\uc57c \ud55c\ub2e4.<\/p>\n<img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=+%5Cfrac%7Bd%7D%7Bdx%7D+f%28x%29+%3D+%5Clim_%7B%5CDelta%5Crightarrow+0%7D+%5Cfrac%7Bf%28x%2B%5CDelta%29-f%28x%29%7D%7B%5CDelta%7D&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\" &#92;frac{d}{dx} f(x) = &#92;lim_{&#92;Delta&#92;rightarrow 0} &#92;frac{f(x+&#92;Delta)-f(x)}{&#92;Delta}\" class=\"latex\" \/>\n<p>\uc774 \uacbd\uc6b0\u00a0<img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=f%28x%29&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"f(x)\" class=\"latex\" \/>\ub294\u00a0\ubcc0\uc218\uac00 1\uac1c\uc778\u00a0\ud568\uc218\uc774\uace0,\u00a0\uadf8\u00a0\uac12\ub3c4\u00a0\uc2a4\uce7c\ub77c\ub85c\u00a0\uc8fc\uc5b4\uc838\u00a0\uc788\uac8c\u00a0\ub41c\ub2e4.\u00a0\uc5ec\uae30\uc11c <img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=x&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"x\" class=\"latex\" \/>\uc744\u00a0<img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=x%3D%5Cvec%7Ba%7D%5Ccdot%5Cvec%7Bv%7D&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"x=&#92;vec{a}&#92;cdot&#92;vec{v}\" class=\"latex\" \/>\ub85c\u00a0\uc815\uc758\ud574\u00a0\ubcf4\uc790.\u00a0\uadf8\ub9ac\uace0\u00a0<img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=%5Cvec%7Bv%7D%3D%28v_1%2Cv_2%2C...v_n%29&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"&#92;vec{v}=(v_1,v_2,...v_n)\" class=\"latex\" \/>\uc774\ub77c\uace0\u00a0\ud574\u00a0\ubcf4\uc790.\u00a0\uadf8\ub7fc\u00a0\uc774\uc81c\u00a0\ub2e4\uc74c\uacfc\u00a0\uac19\uc740\u00a0\ubbf8\ubd84\uc774\u00a0\uac00\ub2a5\ud574\u00a0\uc9c4\ub2e4.<\/p>\n<img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=%5Cfrac%7B%5Cpartial+f%7D%7B%5Cpartial+v_i%7D%3D%5Cfrac%7Bdf%7D%7Bdx%7D%5Cfrac%7B%5Cpartial+x%7D%7B%5Cpartial+v_i%7D&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"&#92;frac{&#92;partial f}{&#92;partial v_i}=&#92;frac{df}{dx}&#92;frac{&#92;partial x}{&#92;partial v_i}\" class=\"latex\" \/>\n<p>\uc5ec\uae30\uc11c <img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=x%3D%5Cvec%7Ba%7D%5Ccdot%5Cvec%7Bv%7D&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"x=&#92;vec{a}&#92;cdot&#92;vec{v}\" class=\"latex\" \/> \ub77c\uace0 \ud588\uc73c\ubbc0\ub85c <img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=%5Cfrac%7B%5Cpartial+x%7D%7B%5Cpartial+v_i%7D%3Da_i&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"&#92;frac{&#92;partial x}{&#92;partial v_i}=a_i\" class=\"latex\" \/>\uac00 \uc131\ub9bd\ud55c\ub2e4. \uc989, \ub2e4\uc2dc \uc4f0\uba74 \ub2e4\uc74c\uacfc \uac19\uc740 \uc2dd\uc774 \uc131\ub9bd\ud55c\ub2e4.<\/p>\n<img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=%5Cfrac%7B%5Cpartial+f%7D%7B%5Cpartial+v_i%7D%3D%5Cfrac%7Bdf%7D%7Bdx%7D+a_i&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"&#92;frac{&#92;partial f}{&#92;partial v_i}=&#92;frac{df}{dx} a_i\" class=\"latex\" \/>\n<p>\uadf8\ub7fc <img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=i&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"i\" class=\"latex\" \/>\ub294 \uc778\ub371\uc2a4\uc778\ub370, \uc774 \uc778\ub371\uc2a4\ub97c \uc5f0\uc18d\ud654 \ud55c\ub2e4\uba74 \uc5b4\ub5bb\uac8c \ub420\uae4c? \ubca1\ud130 <img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=%5Cvec%7Ba%7D&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"&#92;vec{a}\" class=\"latex\" \/>\ub294 <img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=%5Cvec%7Ba%7D%3D%28a_1%2Ca_2%2C...%2Ca_n%29&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"&#92;vec{a}=(a_1,a_2,...,a_n)\" class=\"latex\" \/> \uc73c\ub85c \uc8fc\uc5b4\uc838 \uc788\uace0, \uc774 \ubca1\ud130\ub294 \uc77c\uc885\uc758 \uc720\ud55c\uc218\uc5f4\uc774\ub2e4. \ub610, \uc218\uc5f4\uc740 \uc778\ub371\uc2a4\u00a0<img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=i&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"i\" class=\"latex\" \/>\uac00 \uc8fc\uc5b4\uc9c0\uba74 \uadf8 \uc778\ub371\uc2a4\uc5d0 \ud574\ub2f9\ud558\ub294 \uac12\uc778 <img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=a_i&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"a_i\" class=\"latex\" \/>\uc744 \uc8fc\uae30 \ub54c\ubb38\uc5d0 \uc77c\uc885\uc758 \ud568\uc218\ub85c \ubcfc \uc218\ub3c4 \uc788\ub2e4. \uadf8\ub7fc \uc77c\ubc18\ud654\uc2dc\ucf1c\uc11c\u00a0<img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=%5Cvec%7Ba%7D%3Da%28t%29&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"&#92;vec{a}=a(t)\" class=\"latex\" \/>\ub77c\uace0 \ud574 \ubcf4\uc790. \uacfc\uac10\ud558\uc9c0\ub9cc \uadf8\ub807\uac8c \ubd10 \ubcf4\uc790. \uc774 \uacbd\uc6b0\uc5d0\ub3c4\u00a0<img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=%5Cvec%7Ba%7D&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"&#92;vec{a}\" class=\"latex\" \/>\ub294 \ubca1\ud130\uc774\uba70, \uac70\uae30\uc5d0 \ud574\ub2f9\ud558\ub294 \ud568\uc218\u00a0<img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=%5Cvec%7Bv%7D%3Dv%28t%29&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"&#92;vec{v}=v(t)\" class=\"latex\" \/>\uc640 \ub0b4\uc801\ub3c4 \uc798 \uc815\uc758\ub41c\ub2e4.<\/p>\n<img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=%5Cvec%7Ba%7D%5Ccdot%5Cvec%7Bv%7D%3D%5Cint+a%28t%29v%28t%29dt&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"&#92;vec{a}&#92;cdot&#92;vec{v}=&#92;int a(t)v(t)dt\" class=\"latex\" \/>\n<p>\uc774\uac78 \ub2e4\uc2dc \uc55e\uc5d0\uc11c \uc37c\ub358\u00a0<img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=f%28x%29&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"f(x)\" class=\"latex\" \/>\uc5d0 \ub123\uace0 \uc704\uc640 \ube44\uc2b7\ud55c \ubc29\uc2dd\uc758 \ud3b8\ubbf8\ubd84\uc744 \ucde8\ud574 \ubcf4\uc790.<\/p>\n<img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=%5Cfrac%7Bdf%7D%7Bd%28v%28t%29%29%7D%3D%5Cfrac%7Bdf%7D%7Bdx%7D%5Cfrac%7B%5Cpartial+x%7D%7B%5Cpartial+v%28t%29%7D&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"&#92;frac{df}{d(v(t))}=&#92;frac{df}{dx}&#92;frac{&#92;partial x}{&#92;partial v(t)}\" class=\"latex\" \/>\n<p>\uc790, \ubb54\uac00 \uc774\uc0c1\ud558\ub2e4\ub294 \ub290\ub08c\uc774 \ub4e4\uc9c0 \uc54a\ub294\uac00?\u00a0\uc548\u00a0\uc774\uc0c1\ud558\ub2e4\uba74\u00a0\uc774\uc0c1\ud55c\u00a0\uac83\uc774\ubbc0\ub85c\u00a0\uc5ec\uae30\uc11c\u00a0\ub2f9\uc2e0\uc740\u00a0\uc774\uc0c1\ud558\uac8c\u00a0\uc5ec\uaca8\uc57c\u00a0\ud55c\ub2e4.\u00a0\uc55e\uc5d0\uc11c\u00a0\uc778\ub371\uc2a4 <img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=i&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"i\" class=\"latex\" \/>\ub97c\u00a0\uc774\uc57c\uae30\u00a0\ud588\uc744\u00a0\ub54c\uc5d0\ub294\u00a0\uc790\uc5f0\uc2a4\ub7ec\uc6e0\ub294\ub370,\u00a0\uadf8\uac78\u00a0\uc5f0\uc18d\ud654\ud574\uc11c\u00a0\ubcc0\uc218 <img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=t&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"t\" class=\"latex\" \/>\ub97c\u00a0\uc4f0\ub2c8\uae4c\u00a0\ubb54\uac00\u00a0\uc774\uc0c1\ud558\ub2e4.\u00a0\uadf8\ub807\ub2e4.\u00a0\uc774\uc0c1\ud558\ub2e4.\u00a0\ub530\ub77c\uc11c\u00a0\uc5ec\uae30\uc11c\ub294 &#8220;\ubbf8\ubd84&#8221;\uc774\ub77c\ub294\u00a0\uac83\uc758\u00a0\uc815\uc758\ub97c\u00a0\ub530\ub77c\uac00\uc57c\u00a0\ud55c\ub2e4.\u00a0\ud3b8\ubbf8\ubd84\uc5d0\uc11c\u00a0\uc2dc\uc791\ud588\uc73c\ub2c8\u00a0\ud3b8\ubbf8\ubd84\uc758\u00a0\uc815\uc758\ub97c\u00a0\ub2e4\uc2dc\u00a0\uc0b4\ud3b4\ubcf4\uc790.<\/p>\n<img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=+%5Cfrac%7B%5Cpartial%7D%7B%5Cpartial+v_i%7D+f%28x%29+%3D+%5Clim_%7B%5Cdelta+v_i%5Crightarrow+0%7D+%5Cfrac%7Bf%28%5Cvec%7Ba%7D%5Ccdot%28%5Cvec+v%2B%5Cdelta+%5Cvec%7Bv%7D%29%29-f%28%5Cvec%7Ba%7D%5Ccdot%5Cvec+v%29%7D%7B%5Cvec%7Ba%7D%5Ccdot%5Cdelta+%5Cvec%7Bv%7D%7D%5Cfrac%7B%5Cvec%7Ba%7D%5Ccdot%5Cdelta+%5Cvec%7Bv%7D%7D%7B%5Cdelta+v_i%7D&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\" &#92;frac{&#92;partial}{&#92;partial v_i} f(x) = &#92;lim_{&#92;delta v_i&#92;rightarrow 0} &#92;frac{f(&#92;vec{a}&#92;cdot(&#92;vec v+&#92;delta &#92;vec{v}))-f(&#92;vec{a}&#92;cdot&#92;vec v)}{&#92;vec{a}&#92;cdot&#92;delta &#92;vec{v}}&#92;frac{&#92;vec{a}&#92;cdot&#92;delta &#92;vec{v}}{&#92;delta v_i}\" class=\"latex\" \/>\n<p>\uc704\uc758 \uadf9\ud55c\uc744 \uc774\uc6a9\ud55c \uc815\uc758\ub294 \uc55e\ubd80\ubd84\uacfc \ub4b7\ubd80\ubd84\uc73c\ub85c \ub098\ub220\uc9c0\uac8c \ub418\ub294\ub370, \uadf8\uc911 \uc55e\ubd80\ubd84\uc740 <img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=df%2Fdx&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"df\/dx\" class=\"latex\" \/>\uc640 \uac19\uc73c\ubbc0\ub85c \ub4b7\ubd80\ubd84\uc744 \uc5f0\uc18d\ud654 \ud558\ub294\ub370\ub9cc \uc2e0\uacbd\uc4f0\uba74 \ub41c\ub2e4.<\/p>\n<p>\ub4b7\ubd80\ubd84\uc740 \uc778\ub371\uc2a4 <img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=i&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"i\" class=\"latex\" \/>\uac00 \uc8fc\uc5b4\uc838 \uc788\uc744 \ub54c \uadf8 \ubca1\ud130\uc758 \ubcc0\ud654\ub7c9\uc774\ub2e4. \ub9c8\ucc2c\uac00\uc9c0\ub85c \ub9e4\uac1c\ubcc0\uc218 <img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=t&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"t\" class=\"latex\" \/>\uac00 \uc8fc\uc5b4\uc838 \uc788\uc744 \ub54c \uadf8 \ubca1\ud130\uc758 \ubcc0\ud654\ub7c9\uc740 \ud568\uc218 \uc790\uccb4\uc758 \ubcc0\ud654\ub7c9\uc73c\ub85c \uc8fc\uc5b4\uc9c4\ub2e4. \ub530\ub77c\uc11c, \uc5b4\ub5a4 \ud568\uc218 <img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=v%3Dv%28t%29&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"v=v(t)\" class=\"latex\" \/>\uac00 \uc8fc\uc5b4\uc838 \uc788\uc744 \ub54c, \uadf8 \ud568\uc218\uc758 \ubcc0\ud654\ub7c9\uc740 \uc5ed\uc2dc \uc5b4\ub5a4 \ud568\uc218\ub85c \uc8fc\uc5b4\uc9c0\uba70 <img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=v%2B%5Cdelta+v+%3D+v%28t%29%2B%5Cdelta+v%28t%29&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"v+&#92;delta v = v(t)+&#92;delta v(t)\" class=\"latex\" \/>\uc774 \ub41c\ub2e4. \uc774 \ub54c, \ubd88\uc5f0\uc18d\uc801\uc778 \uc778\ub371\uc2a4\ub97c \uc4f0\ub294 \uacbd\uc6b0\uc5d0\uc11c <img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=i&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"i\" class=\"latex\" \/>\uc774 \ubc14\ub014 \ub54c\ub9c8\ub2e4 <img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=%5CDelta+v_i&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"&#92;Delta v_i\" class=\"latex\" \/>\uc774 \ubc14\ub00c\uc5b4 \uac00\uba70 \uc8fc\uc5b4\uc9c0\ubbc0\ub85c (\uc989, \uadf9\ud55c\uc73c\ub85c \ub2ec\ub824\uac00\ub294 \uc18d\ub3c4\uac00 \uac01\uac01 \ub3c5\ub9bd\uc774\ubbc0\ub85c), \uc5f0\uc18d\uc801\uc778 \uc778\ub371\uc2a4\ub97c \uc4f0\ub294 \uacbd\uc6b0\uc5d0\ub3c4 <img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=%5Cdelta+v%28t%29&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"&#92;delta v(t)\" class=\"latex\" \/>\ub294 \ub9e4\uac1c\ubcc0\uc218 <img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=t&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"t\" class=\"latex\" \/>\uc5d0 \uad00\ud55c \ud568\uc218\uac00 \ub41c\ub2e4. \uc774\uc81c \ub2e4\uc74c\uacfc \uac19\uc740 \ud574\uc11d\uc774 \uac00\ub2a5\ud558\ub2e4.<\/p>\n<img decoding=\"async\" src=\"http:\/\/s0.wp.com\/latex.php?latex=%5Cfrac%7B%5Cpartial+x%7D%7B%5Cpartial+v%28t%29%7D%3D%5Clim_%7B%5Cdelta+v%28t%29%5Crightarrow+0%7D%5Cfrac%7B%5Cvec%7Ba%7D%5Ccdot%5Cdelta+%5Cvec%7Bv%7D%7D%7B%5Cdelta+v%28t%29%7D%3Da%28t%29&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"&#92;frac{&#92;partial x}{&#92;partial v(t)}=&#92;lim_{&#92;delta v(t)&#92;rightarrow 0}&#92;frac{&#92;vec{a}&#92;cdot&#92;delta &#92;vec{v}}{&#92;delta v(t)}=a(t)\" class=\"latex\" \/>\n<p>\uc774\ub807\uac8c \uc0dd\uac01\ud558\ub294 \uac83\uc740 \uc218\ud559\uc790\ub4e4\uc774 \ub4e4\uc73c\uba74 \ucc9c\uc778\uacf5\ub178\ud560 \ub9cc\ud589\uc774\uae30 \ub54c\ubb38\uc5d0 \uc774\ub7f0\uc2dd\uc73c\ub85c \uc815\uc758\ud558\ub294 \uac83\uc774 \ubcc0\ubd84\uc758 \uc5c4\ubc00\ud55c \uc815\uc758\ub294 \uc544\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc218\uc5f4\uc744 \uc77c\ubc18\ud654\ud55c \uac83\uc774 \ud568\uc218\uc774\uace0, \ubca1\ud130\uc758 \ub0b4\uc801\uc744 \ud568\uc218\uc5d0 \ub300\ud574 \uc77c\ubc18\ud654\ud55c \uac83\uc774 \uc801\ubd84\uc774\ub77c\ub294 \uad00\uc810\uc5d0\uc11c \ud3b8\ubbf8\ubd84\uc744 \uc5f0\uc18d\ud654\ud574\uc11c \uc77c\ubc18\ud654\ud55c \uac83\uc774 \ubcc0\ubd84\uc774\ub77c\uace0 \uc0dd\uac01\ud558\uba74 \ubcc0\ubd84\ubc95\uc5d0 \ub300\ud574 \uc870\uae08 \ub354 \uc27d\uac8c \uc774\ud574\ud560 \uc218 \uc788\uc744 \uac83\uc774\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ubb3c\ub9ac\ud559 \ubb38\uc81c\ub97c \ud480\ub2e4\ubcf4\uba74 \ud754\ud788 \ubcc0\ubd84 \ubb38\uc81c\ub97c \ud480\uc5b4\uc57c \ud558\uace0, \ubcc0\ubd84 \ubb38\uc81c\ub97c \ud480\uae30 \uc704\ud574\uc11c\ub294 \ub77c\uadf8\ub791\uc9c0\uc548\uc774\ub77c\ub294 \ud568\uc218\uc5d0 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\ub2e4\uc74c\uacfc \uac19\uc740 \uc2dd\uc774 \uc131\ub9bd\ud55c\ub2e4. \uadf8\ub7fc \ub294 \uc778\ub371\uc2a4\uc778\ub370, \uc774 \uc778\ub371\uc2a4\ub97c \uc5f0\uc18d\ud654 \ud55c\ub2e4\uba74 \uc5b4\ub5bb\uac8c 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