Array ( [0] => Array ( [title] => L13A [link] => https://www.youtube.com/embed/XsWfIl44uYs ) [1] => Array ( [title] => L13B [link] => https://www.youtube.com/embed/xeJuzvmSEnA ) [2] => Array ( [title] => L13C [link] => https://www.youtube.com/embed/Gg3p2svZo80 ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - 第13講 Diffusivity in Ionic Compounds