{"id":7639,"date":"2015-11-01T15:20:12","date_gmt":"2015-11-01T23:20:12","guid":{"rendered":"http:\/\/www.hisark.com\/?p=7639"},"modified":"2015-11-01T15:20:12","modified_gmt":"2015-11-01T23:20:12","slug":"7639-2","status":"publish","type":"post","link":"http:\/\/www.hisark.com\/?p=7639","title":{"rendered":"\uad50\uacfc\uc11c\uc640 \uae30\uc6d0\ubb38\uc81c \uc2dc\ub9ac\uc988(5): \ub2e8\ubc31\uc9c8\uc740 \uc6b0\uc5f0\ud55c \ud654\ud559\ubc18\uc751\uc73c\ub85c \ub9cc\ub4e4\uc5b4\uc9c8 \uc218 \uc5c6\ub2e4"},"content":{"rendered":"<p><img class=\"alignleft size-medium wp-image-7637 imgborder\" src=\"http:\/\/www.hisark.com\/wp-content\/uploads\/2015\/11\/04-283x300.png\" alt=\"\" \/>\uc138\ud3ec\uc5d0\uc11c \uc778\uac04\uc758 \ubab8\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0\u00a0\ubaa8\ub4e0 \uc0dd\uba85\uccb4\uc758 \uad6c\uc131\uacfc \uc0dd\uccb4\ub0b4 \ubc18 \uc751\ub4e4\uc740 \uc218\ub9ce\uc740 \uc885\ub958\uc758 \ub2e8\ubc31\uc9c8\uc5d0 \uc758\uc874\ub41c \ub2e4. \uc7ac\ub8cc\ub294 20\uac00\uc9c0\uc758 \uc544\ubbf8\ub178\uc0b0\uc778\ub370, \ud2b9\uc815\ud55c \uc21c\uc11c\ub85c \uc218\uc2ed~\uc218\ubc31 \uac1c\uc758 \uc544\ubbf8\ub178\uc0b0 \ub4e4\uc774 \uacb0\ud569\ud558\uba74 \uc140 \uc218 \uc5c6\uc774 \ub2e4\uc591\ud55c \uae30\ub2a5\uc744 \uac16\ub294 \ub2e8\ubc31\uc9c8\uc774 \ub418\ub294 \uac83\uc774\ub2e4. \uba38\ub9ac \uce74\ub77d\uc744 \uc774\ub8e8\ub294 \ucf00\ub77c\ud2f4, \uc12c\uc720\uc870\uc9c1\uc744 \uad6c\uc131\ud558\ub294 \ucf5c\ub77c\uac90\uacfc \uc5d8\ub77c\uc2a4\ud2f4\uc5d0\uc11c\ubd80\ud130 \ubf08, \uc5f0\uace8, \uadfc \uc721,\ud45c\ud53c\ub4f1 \uc6b0\ub9ac \ubab8 \ub300\ubd80\ubd84\uc744 \uad6c\uc131\ud55c\ub2e4. \uadf8 \uc678\uc5d0\ub3c4 \uc138\ud3ec\uc5d0 \uc0b0\uc18c\ub97c \uc6b4\ubc18\ud574\uc8fc\ub294 \ud5e4\ubaa8\uae00\ub85c\ube48, \uc778\uc290\ub9b0\uacfc \uc544\ub4dc\ub808\ub0a0\ub9b0\uacfc \uac19\uc740\u00a0\ud638\ub974\ubaac, \ubaa8\ub4e0 \uc0dd\uccb4\ubc18\uc751\uc5d0 \uad00\uc5ec\ud558\ub294 \ud6a8\uc18c\ub4e4, \ubcd1\uade0\uc744 \ub9c9\uc544\uc8fc\ub294 \ud56d\uccb4\ub4e4, \ub1cc\uc5d0\uc11c \uc2e0\uacbd \uc804\ub2ec \ubb3c\uc9c8\uc744 \ubc1b\uc544\ub4e4\uc774\ub294 \uc218\uc6a9\uccb4\ub4e4, \ub208\uc758 \ub9dd\ub9c9\uc5d0\uc11c \uad11\uc790(photon)\ub97c \uc778\uc2dd\ud558\ub294 \ub85c\ub3d5\uc2e0\ub4f1 \uc774\ub8e8 \ud5e4\uc544\ub9b4 \uc218 \uc5c6\uc774\uadf8 \uc885\ub958\uc640 \uae30\ub2a5\uc774 \ub2e4\uc591\ud558\ub2e4.\uc0ac\ub78c\uc744 \uc774\ub8e8\ub294 \ub2e8\ubc31\uc9c8\uc758 \uc885\ub958\uac00 \uc57d 10\ub9cc \uac00\uc9c0 \uc815\ub3c4 \ub41c\ub2e4\uace0 \ud55c\ub2e4.<\/p>\n<div class=\"page\" title=\"Page 7\">\n<div class=\"layoutArea\">\n<div class=\"column\">\n<p>\uc774 \uc218\ub9ce\uc740 \ub2e8\ubc31\uc9c8\ub4e4\uc774 \uc5b4\ub5bb\uac8c \uc0dd\uae34 \uac83\uc77c\uae4c? \uc5b4\ub5bb\uac8c \uace0\uc720\ud55c \uae30\ub2a5\uc744 \uac16\ub294 \uac83\uc77c\uae4c? \uc9c4\ud654\ub860\uc790\ub4e4\uc740 \ub2e8\ubc31\uc9c8\ub4e4\uc774 \uc6b0\uc5f0\ud788 \uc0dd\uaca8\ub0ac\ub2e4\uace0 \ubbff\uace0 \uc788\ub2e4. \uc544\ubbf8\ub178\uc0b0\uc774 \ud48d\ubd80\ud558\uac8c \ub18d\ucd95\ub41c \uc720\uae30\uc218\ud504\uac19\uc740 \ub728\uac70\uc6b4 \ubc14\ub2f7\ubb3c\uc5d0\uc11c \uc544\ubbf8\ub178\uc0b0\ub4e4\uc774 \uae38\uac8c \uc5f0\uacb0\ub418\ub294 \uc911\ud569\ubc18\uc751\uc774 \uc77c\uc5b4\ub098 \uc6d0\uc2dc \ub2e8\ubc31\uc9c8(\ud504\ub85c\ud14c\ub178\uc774\ub4dc)\uc774 \uc0dd\uc131\ub418\uc5c8\ub2e4\uace0 \uc124\uba85\ud55c\ub2e4. \uc6b0\ub9ac\ub294 \uc774\ubbf8 \uc544\ubbf8\ub178\uc0b0\uc774 \uc2e4\ud5d8\uc2e4\uc5d0\uc11c \ub9cc\ub4e4\uc5b4\uc9c8 \ub54c, \uc9c0\uad6c\uc758 \uc870\uac74\uacfc \ub2e4\ub978 \uc804\uc81c \ud558\uc5d0 \uc778\uc704\uc801\uc778 \uacfc\uc815\uc744 \uac70\uccd0\uc57c \ud558\uba70, \uc0dd\uba85\uccb4\uc5d0 \uc0ac\uc6a9\ub420 \uc218\ub3c4 \uc5c6\ub294 \uacb0\uacfc\uc784\uc744 \uc0b4\ud3b4\ubcf4\uc558\ub2e4. \uc544\ubbf8\ub178\uc0b0\uc740 \uc800\uc808\ub85c \ub9cc\ub4e4\uc5b4\uc9c0\uc9c0 \uc54a\ub294\ub2e4. \uadf8\ub7fc\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0, \uc9c4\ud654\uc774\ub860\uc740 \uadf8 \ub2e4\uc74c \ub2e8\uacc4\ub85c \uc810\ud504\ud558\uc5ec \uc544\ubbf8\ub178 \uc0b0\ub4e4\uc774 \uc790\uc5f0\uc801\uc73c\ub85c \uc218\uc2ed~\uc218\ubc31 \uac1c\uc529 \uc5f0\uacb0\ub418\uc5b4 \ud3f4\ub9ac\ud3a9\ud0c0\uc774\ub4dc \uad6c\uc870\uac00 \ud615\uc131\ub420 \uc218 \uc788\ub2e4\ub294 \uc124\uba85\uc73c\ub85c \ub118\uc5b4\uac04\ub2e4. \uad50\uacfc\uc11c\uc758 \uc9c4\uc220\uc744 \ubcf4\uc790.<\/p>\n<div class=\"page\" title=\"Page 7\">\n<div class=\"layoutArea\">\n<div class=\"column\">\n<p>\uacfc\ud559\uc790\ub4e4\uc740 \uc544\ubbf8\ub178\uc0b0\uc758 \uc911\ud569 \ubc18\uc751\uc774 \ub728\uac81\uace0 \uac74\uc870\ud55c \ud654\uc0b0\uc758 \uac00\uc7a5\uc790\ub9ac\ub098 \ub728\uac70\uc6b4 \uc6d0\uc2dc \ubc14\ub2e4\uc5d0\uc11c \uc27d\uac8c \uc77c\uc5b4\ub0a0 \uc218 \uc788\uc5c8\uc744 \uac83\uc774\ub77c\uace0 \uc124\uba85\ud558\uc600\ub2e4.(\uc911\ub7b5) \uc774\ub807\uac8c \ud615\uc131\ub41c \ud504\ub85c\ud14c\ub178\uc774\ub4dc\ub294 \ub2e8\ubc31\uc9c8 \ubd84\uc790\uc758 \uc804 \ub2e8\uacc4\ub77c\uace0 \ud560 \uc218 \uc788\uace0, (\uc911\ub7b5) \uc774\ub807\uac8c\u00a0\uacb0\ud569 \ubc18\uc751\uc5d0 \uc758\ud574 \ud06c\uace0 \ubcf5\uc7a1\ud55c \ubd84\uc790\uac00 \ud615\uc131\ub41c \ud6c4 \uc774\ub4e4\uc774 \uc2a4\uc2a4\ub85c \uc785\uccb4 \uad6c\uc870\ub97c \ud615\uc131\ud558\uc5ec \uc2e0\uccb4\uc758 \uad6c\uc131\uc131\ubd84\uc774\ub098 \ubb3c\uc9c8\ub300\uc0ac\ub97c \ucd09\ub9e4\ud558\ub294 \ud6a8\uc18c \ub4f1 \uc0dd\uba85\uccb4\uc5d0 \ud544\uc694\ud55c \uc77c\uc744 \ub2f4\ub2f9\ud558\uc600\ub2e4. [1] \uc5ec\uae30\uc11c \ub2e4\uc2dc \uc0c8\ub85c\uc6b4 \uc804\uc81c\uac00 \ub4f1\uc7a5\ud558\uc600\uc74c\uc744 \uc54c \uc218 \uc788\ub294\ub370, \uc9c0\uad6c \ucd08\uae30 \ubc14\ub2e4\uac00 \uc544\ubbf8\ub178\uc0b0\uc774\ub098 \ud575\uc0b0 \ub4f1\uc774 \ub18d\ucd95\ub418\uc5b4 \uc218\ud504\ucc98\ub7fc \uac78\uc8fd\ud55c \uc0c1\ud0dc\uc600\uc744 \uac83\uc774\ub77c\ub294 \uac00\uc815\uc774\ub2e4. \ub610 \ud558\ub098, \uc544\ubbf8\ub178\uc0b0\uc774 \uc911\ud569\ub418\ub824 \uba74 \ud65c\uc131\ud654 \uc5d0\ub108\uc9c0\uac00 \ucda9\ubd84\ud788 \ud544\uc694\ud558\uae30 \ub54c\ubb38\uc5d0 \ubc14\ub2f7\ubb3c\uc774 \ub9e4\uc6b0 \ub728\uac70\uc6e0\uc744 \uac83\uc774\ub77c\uace0 \uc804\uc81c\ud558\uace0 \uc788\ub2e4.<\/p>\n<div class=\"page\" title=\"Page 7\">\n<div class=\"layoutArea\">\n<div class=\"column\">\n<p>\ubb3c\ub860 \uc774\ub7f0 \uc804\uc81c\ub294 \ud655\uc778\ud558\uac70\ub098 \uc7ac\ud604\ud560 \uc218 \uc5c6\ub294 \uac00\uc815\ub4e4\uc774\uba70, \uc2e4\ud604 \uac00\ub2a5\ud558\uc9c0\ub3c4 \uc54a\ub2e4.<\/p>\n<div class=\"page\" title=\"Page 7\">\n<div class=\"layoutArea\">\n<div class=\"column\">\n<p><img loading=\"lazy\" width=\"300\" height=\"233\" class=\"alignleft size-medium wp-image-7638 imgborder\" src=\"http:\/\/stage.hisark.com\/wp-content\/uploads\/2015\/11\/05-300x233.png\" alt=\"\" srcset=\"http:\/\/www.hisark.com\/wp-content\/uploads\/2015\/11\/05-300x233.png 300w, http:\/\/www.hisark.com\/wp-content\/uploads\/2015\/11\/05.png 348w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\uc138\uc0c1\uc5d0\uc11c \uc544\ubbf8\ub178\uc0b0\ub4e4\uc774 \uae38\uac8c \uc5f0\uacb0\ub418\ub294 \uc77c\uc774 \uc27d\uac8c \uc77c\uc5b4\ub098\ub294 \uacf3\uc740 \ub2e8 \ud55c \uacf3 \ubc16\uc5d0 \uc5c6\ub2e4. \uc138\ud3ec \uc548\uc5d0\uc11c\uc774\ub2e4. \uadf8 \uc678 \uc5b4\ub514\uc11c\ub3c4 \uc544\ubbf8\ub178\uc0b0\uc774 \uc544\ubb34\ub9ac \ub9ce\uc774 \uc8fc\uc5b4\uc9c8\uc9c0\ub77c\ub3c4 \uc800\uc808\ub85c \uc911\ud569\ub418\uc5b4 \ub2e8\ubc31\uc9c8\uacfc \uac19\uc740 \ubcf5\uc7a1\ud55c \uace0\ubd84\uc790 \ub369\uc5b4\ub9ac\ub85c \uc5f0\uacb0\ub418\uc9c0 \uc54a\ub294\ub2e4. \uc2ec\uc9c0\uc5b4 \uc2e4\ud5d8\uc2e4\uc5d0\uc11c\uc870\ucc28 \uc815\uc81c\ub41c \uc544\ubbf8\ub178\uc0b0\uc744 \uc218 \uc2dc\uac04\ub3d9\uc548 \uc778\uc704\uc801\uc778 \uace0\uc628(170\u00b0C)\uc5d0\uc11c \uac00\uc5f4\ud574\uc57c \uaca8\uc6b0 \uc911\ud569\uccb4\ub97c \uc5bb\uc744 \uc218 \uc788\uc73c\uba70, \uc2dc\uac04\uacfc \uc870\uac74\uc744 \uc798 \ub9de\ucd94\uc9c0 \uc54a\uc73c\uba74 \uace0\uc628\uc5d0\uc11c \ubaa8\ub450 \ud30c\uad34\ub418\uace0 \ub9cc\ub2e4. \ub354\ub354\uc6b1 \uc2ec\uac01\ud55c \ubb38\uc81c\ub294 \uc774\ub807\uac8c \uc2e4\ud5d8\uc2e4\uc5d0\uc11c \uc911\ud569\ub41c \uc720\uc0ac \ub2e8\ubc31\uc9c8\uc740 \ub77c\uc138\ubbf8 \ud654\ud569\ubb3c\uc77c \ubfd0 \uc544\ub2c8\ub77c \ud2b9\uc815 \uc21c\uc11c\ub85c \ubc30\uc5f4\ub41c \uac83\ub3c4 \uc544\ub2c8\uc5b4\uc11c \uc0dd\uba85\uccb4\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uad6c\uc870\uc640 \uae30\ub2a5\uc744 \uac16\ucd94\uc9c0 \uc54a\ub294\ub2e4\ub294 \uc810\uc774\ub2e4.<\/p>\n<div class=\"page\" title=\"Page 7\">\n<div class=\"layoutArea\">\n<div class=\"column\">\n<p>\uc544\ubbf8\ub178\uc0b0\uc774 \uc800\uc808\ub85c \uae38\uac8c \uacb0\ud569\ub418\ub294 \uc77c\uc774 \uc790\uc5f0\uc5d0\uc11c \uc77c\uc5b4\ub098\uc9c0\ub3c4 \uc54a\uc9c0\ub9cc, \ub3c5\ud2b9\ud55c \uae30\ub2a5\uc744 \ud558\ub294 \uc218\ub9cc \uc885\uc758 \ub2e8\ubc31\uc9c8\ub4e4\uc774 \ud558\ub098\uc758 \uc0dd\uba85\uccb4 \uc548\uc5d0\uc11c \uc870 \uc9c1\uc801\uc73c\ub85c \uc790\uae30 \uc5ed\ud560\uc744 \uc218\ud589\ud574 \ub0b8\ub2e4\ub294 \uac83\uc740 \uacb0\ucf54 \uc6b0\uc5f0\uc758 \uc0b0\ubb3c\uc77c \uc218 \uc5c6\ub2e4. \uac8c\ub2e4\uac00 \ucd5c\uadfc\uc5d0\ub294 \uc774 \ub2e8\ubc31\uc9c8\ub4e4\uc774 \ub3c5\ud2b9\ud55c \uc785\uccb4\uad6c\uc870-3\ucc28\uc6d0 \uad6c\uc870\ub97c \uac00\uc9c0\uace0 \uc788\uc73c\uba70, \uc774 \uad6c\uc870\uac00 \uac01\uac01\uc758 \uace0\uc720\ud55c \uae30\ub2a5\uacfc \ubc00\uc811\ud55c \uad00\uacc4\uac00 \uc788\ub2e4\uace0 \ubc1d\ud600\uc9c0\uace0 \uc788\ub2e4[2]. \uc774\ub7ec\ud55c \uc77c\uc740 \ubb3c\uc9c8\ub4e4\uc744 \uc9c8\uc801\uc778 \ucc28\uc6d0\uc5d0\uc11c \ub9e4\uc6b0 \uce58\ubc00\ud558\uace0 \ubc29\ub300 \ud558\uac8c \uc870\uc9c1\ud654\ud558\ub294 \uace0\ub3c4\uc758 \uc815\ubc00\ud55c \uc2dc\uc2a4\ud15c\uc774 \uc5c6\uc774\ub294 \ubd88\uac00\ub2a5\ud55c \uc77c\uc774\ub2e4. \ubb3c\ub860 \uc774\ub7ec\ud55c \uc2dc\uc2a4\ud15c\uc740 \uc124\uacc4 \uc758 \uc0b0\ubb3c\uc774\ub2e4.<\/p>\n<div class=\"page\" title=\"Page 7\">\n<div class=\"layoutArea\">\n<div class=\"column\">\n<p>\uc608\uc218\ub2d8\uc740 \uccab \ubc88\uc9f8 \ud45c\uc801\uc73c\ub85c\uc11c \ubb3c\uc744 \uc544\uc8fc \ub9db \uc88b\uc740 \ud3ec\ub3c4\uc8fc\ub85c \ub9cc\ub4dc\uc168\ub2e4. \uc774\ub7ec\ud55c \uc77c\uc740 \uc608\uc218\ub2d8\uc774 \ubb3c\uc9c8\uc758 \uad6c\uc131 \uc694\uc18c\ub97c \uc544\uc2dc\uace0, \uad6c\uc870\ub97c \ud30c\uc545\ud558\uace0 \uacc4\uc2dc\uba70, \ub610\ud55c \uadf8 \uc9c8\uc801\uc778 \ubcc0\ud654\ub97c \uc21c\uac04\uc801\uc73c\ub85c \uc77c\uc73c\ud0ac \ucd08\uc6d4\uc801\uc778 \ub2a5\ub825\uc744 \uac00\uc9c0\uc2e0 \ucc3d\uc870\uc8fc\uc774\uc2ec\uc744 \ub098\ud0c0\ub0b4 \ubcf4\uc778\ub2e4. \uc6b0\ub9ac\ub294 \uc608\uc218\ub2d8\uaed8\uc11c \ubb3c\uc9c8 \uc138\uacc4\ub97c \ub2e4\uc2a4\ub9ac\ub294 \uc774\ub7ec\ud55c \uae30\uc801\uc744 \uc77d\uc744 \ub54c\uc640 \ucc3d\uc138\uae30 1\uc7a5\uc5d0\uc11c \ubaa8\ub4e0 \ub3d9\ubb3c\ub4e4\uc744 \uc885\ub958\ub300\ub85c \ub9cc\ub4dc\uc2e0 \uae30\uc0ac\ub97c \uc77d\uc744 \ub54c \uc804\ud600 \ucda9\ub3cc\uc744 \ub290\ub07c\uc9c0 \uc54a\ub294\ub2e4. \uc65c\ub0d0\ud558\uba74, \u201c\ub9cc\ubb3c\uc774 \uadf8\ub85c \ub9d0\ubbf8\uc554\uc544 \uc9c0\uc740 \ubc14 \ub418\uc5c8\uae30\u201d(\uc6941:3) \ub54c\ubb38\uc774 \ub2e4. \ub354\ubd88\uc5b4 \ubaa8\ub4e0 \ub3d9\ubb3c\uc744 \uc885\ub958\ub300\ub85c \ub9cc\ub4dc\uc2e4 \ub54c, \ubb3c\uc9c8 \uc138\uacc4\ub97c \ud1b5\uce58\ud558\uc2dc\ub294 \uadf8\ubd84\uc758 \uba85\ub839\uc5d0 \ub530\ub77c \ubab8\uc744 \uad6c\uc131\ud558\ub294 \uc218\ub9ce\uc740 \ub2e8\ubc31\uc9c8 \ubd84\uc790\ub4e4\uacfc \uadf8\uac83\uc744 \ub9cc\ub4e4\uc5b4\ub0b4\ub294 \uc815\uad50\ud55c \uc2dc\uc2a4\ud15c\uc774 \uc989\uac01 \uac16\ucdb0\uc84c\uc74c\uc744 \uc778\uc815\ud558\uac8c \ub418\ub294 \uac83\uc774\ub2e4.<\/p>\n<p><span style=\"color: #808080;\">[1] \uc548\ud0dc\uc778 \uc678 11\uc778(2011), \uace0\ub4f1\ud559\uad50 \uacfc\ud559, \uae08\uc131\ucd9c\ud310\uc0ac, p.122 \u00a0 \u00a0 \u00a0 \u00a0<\/span><br \/>\n<span style=\"color: #808080;\">[2] http:\/\/muli2.kps.or.kr\/~pht\/10-3\/010309.htm<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\uc138\ud3ec\uc5d0\uc11c \uc778\uac04\uc758 \ubab8\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \ubaa8\ub4e0 \uc0dd\uba85\uccb4\uc758 \uad6c\uc131\uacfc \uc0dd\uccb4\ub0b4 \ubc18 \uc751\ub4e4\uc740 \uc218\ub9ce\uc740 \uc885\ub958\uc758 \ub2e8\ubc31\uc9c8\uc5d0 \uc758\uc874\ub41c \ub2e4. \uc7ac\ub8cc\ub294 20\uac00\uc9c0\uc758 \uc544\ubbf8\ub178\uc0b0\uc778\ub370, \ud2b9\uc815\ud55c \uc21c\uc11c\ub85c \uc218\uc2ed~\uc218\ubc31 \uac1c\uc758 \uc544\ubbf8\ub178\uc0b0 \ub4e4\uc774 \uacb0\ud569\ud558\uba74 \uc140 \uc218 \uc5c6\uc774 \ub2e4\uc591\ud55c \uae30\ub2a5\uc744 \uac16\ub294 \ub2e8\ubc31\uc9c8\uc774 \ub418\ub294 \uac83\uc774\ub2e4. \uba38\ub9ac \uce74\ub77d\uc744 \uc774\ub8e8\ub294 \ucf00\ub77c\ud2f4, \uc12c\uc720\uc870\uc9c1\uc744 \uad6c\uc131\ud558\ub294 \ucf5c\ub77c\uac90\uacfc \uc5d8\ub77c\uc2a4\ud2f4\uc5d0\uc11c\ubd80\ud130 \ubf08, \uc5f0\uace8, \uadfc \uc721,\ud45c\ud53c\ub4f1 \uc6b0\ub9ac \ubab8 \ub300\ubd80\ubd84\uc744 \uad6c\uc131\ud55c\ub2e4. \uadf8 \uc678\uc5d0\ub3c4 \uc138\ud3ec\uc5d0 \uc0b0\uc18c\ub97c \uc6b4\ubc18\ud574\uc8fc\ub294 \ud5e4\ubaa8\uae00\ub85c\ube48, 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