Array ( [0] => Array ( [title] => L9A [link] => https://www.youtube.com/embed/r6sqolxK42Q ) [1] => Array ( [title] => L9B [link] => https://www.youtube.com/embed/HW1eKv2Oe6k ) [2] => Array ( [title] => L9C [link] => https://www.youtube.com/embed/chAurixdGjc ) [3] => Array ( [title] => L9D [link] => https://www.youtube.com/embed/vPMb8Df6aNA ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - 第9R講 對數函數、複數的複數次方、路徑積分例題