Array ( [0] => Array ( [title] => L8A [link] => https://www.youtube.com/embed/8zwefoGQ2Ek ) [1] => Array ( [title] => L8B [link] => https://www.youtube.com/embed/zIM--PjxV1U ) [2] => Array ( [title] => L8C [link] => https://www.youtube.com/embed/ru4bRhrM49o ) [3] => Array ( [title] => L8D [link] => https://www.youtube.com/embed/1AB_uNxu1tI ) [4] => Array ( [title] => L8E [link] => https://www.youtube.com/embed/1sZvTign4eU ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - 第8講 幾何特徵-圓角設計應用