Array ( [0] => Array ( [title] => L4A [link] => https://www.youtube.com/embed/Ci4IE4K1vzo ) [1] => Array ( [title] => L4B [link] => https://www.youtube.com/embed/P_uQ12o96po ) [2] => Array ( [title] => L4C [link] => https://www.youtube.com/embed/wadrmpmyGYU ) [3] => Array ( [title] => L4D [link] => https://www.youtube.com/embed/U0vwFQyMOqU ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - 第4講 座標系統到3D:從AutoCAD->Excel->Inventer