Array ( [0] => Array ( [title] => L22A [link] => https://www.youtube.com/embed/V98kVDr9Rpk ) [1] => Array ( [title] => L22B [link] => https://www.youtube.com/embed/foYAojTAio4 ) [2] => Array ( [title] => L22C [link] => https://www.youtube.com/embed/ujdGr17yGGc ) [3] => Array ( [title] => L22D [link] => https://www.youtube.com/embed/g6RMjrQvg_Q ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - 第22R講 輻角原理