Array ( [0] => Array ( [title] => L25A [link] => https://www.youtube.com/embed/PygOhZ2YeVw ) [1] => Array ( [title] => L25B [link] => https://www.youtube.com/embed/5UvkGd1jNWY ) [2] => Array ( [title] => L25C [link] => https://www.youtube.com/embed/NoUnfwf2m5s ) [3] => Array ( [title] => L25D [link] => https://www.youtube.com/embed/qWJYZQ10J1M ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - 第25講 Wilson's Theorem