Array ( [0] => Array ( [title] => L15A [link] => https://www.youtube.com/embed/6zL5pTQMLoM ) [1] => Array ( [title] => L15B [link] => https://www.youtube.com/embed/8R5bTflv4Nk ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - Lecture 15 | Stability region; Spectral effect of small delays