Array ( [0] => Array ( [title] => L20A [link] => https://www.youtube.com/embed/MuNu8lJGJhg ) [1] => Array ( [title] => L20B [link] => https://www.youtube.com/embed/XqigIyl9RZA ) [2] => Array ( [title] => L20C [link] => https://www.youtube.com/embed/IC6UcjXpVOU ) [3] => Array ( [title] => L20D [link] => https://www.youtube.com/embed/6I1mamdyhKI ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - 第20R講 Phase transformation in solids