Array ( [0] => Array ( [title] => L7A [link] => https://www.youtube.com/embed/d-KVNglt7DQ ) [1] => Array ( [title] => L7B [link] => https://www.youtube.com/embed/pJq8MIC3bWA ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - Lecture 7 | Existence, uniqueness, and continuation; Eventually compact semiflows