Array ( [0] => Array ( [title] => L13A [link] => https://www.youtube.com/embed/fX1Qq5oVPHc ) [1] => Array ( [title] => L13B [link] => https://www.youtube.com/embed/-yWRSmJIc-Y ) [2] => Array ( [title] => L13C [link] => https://www.youtube.com/embed/RroSqolhhx8 ) [3] => Array ( [title] => L13D [link] => https://www.youtube.com/embed/9wJTDPyJodM ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - 第13R講 開回路與閉回路的轉換方程