Array ( [0] => Array ( [title] => L20A [link] => https://www.youtube.com/embed/pzyp_lz677g ) [1] => Array ( [title] => L20B [link] => https://www.youtube.com/embed/g9nJOP7IXME ) [2] => Array ( [title] => L20C [link] => https://www.youtube.com/embed/C88nxE6mkr0 ) [3] => Array ( [title] => L20D [link] => https://www.youtube.com/embed/Qg_8L6tdNMg ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - 第20R講 4.8 Integration of functions of one variable (cont.)