Array ( [0] => Array ( [title] => L28A [link] => https://www.youtube.com/embed/2DO6I6cpWjM ) [1] => Array ( [title] => L28B [link] => https://www.youtube.com/embed/9mQ8xOXEjOU ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - Lecture 28 | Example: Euler’s rod; Equivariant Lyapunov-Schmidt reduction