Array ( [0] => Array ( [title] => L39A [link] => https://www.youtube.com/embed/yN6imGou1BA ) [1] => Array ( [title] => L39B [link] => https://www.youtube.com/embed/dFazeim_clA ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - Lecture 39 | Introduction of bifurcation without parameters; Example: Transcritical bifurcation without parameters