Array ( [0] => Array ( [title] => L34A [link] => https://www.youtube.com/embed/KhFZO3XE4WM ) [1] => Array ( [title] => L34B [link] => https://www.youtube.com/embed/R7gI5V7MPXg ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - Lecture 34 | Hopf bifurcation