Array ( [0] => Array ( [title] => L15A [link] => https://www.youtube.com/embed/BZCSOPgoWHk ) [1] => Array ( [title] => L15B [link] => https://www.youtube.com/embed/jhuiXkIuU8s ) [2] => Array ( [title] => L15C [link] => https://www.youtube.com/embed/68RaaivxU4c ) [3] => Array ( [title] => L15D [link] => https://www.youtube.com/embed/EMMiw0MkZGE ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - 第15R講 倒水問題回顧與傳教士與食人族渡河問題