Array ( [0] => Array ( [title] => L13A [link] => https://www.youtube.com/embed/AEdAc9hRnUw ) [1] => Array ( [title] => L13B [link] => https://www.youtube.com/embed/WWqX1mFQopA ) [2] => Array ( [title] => L13C [link] => https://www.youtube.com/embed/GOI2AYGId24 ) [3] => Array ( [title] => L13D [link] => https://www.youtube.com/embed/PIYFqbFzGPE ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - 第13講 四連桿機構設計