Array ( [0] => Array ( [title] => L10A [link] => https://www.youtube.com/embed/czX7TIVec8c ) [1] => Array ( [title] => L10B [link] => https://www.youtube.com/embed/3SLzrmt754s ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - 第10R講 Chapter 2 : Differential Inequalities