L06_A
Curves (Conti.) (續.曲線)
L06_B
14.4 Arc-length (弧長)
Array ( [0] => Array ( [title] => L6A [link] => https://www.youtube.com/embed/dBrWfTXS37s ) [1] => Array ( [title] => L6B [link] => https://www.youtube.com/embed/3mzI-7t_v7U ) )
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Syllabus
L06_A
Curves (Conti.) (續.曲線)
L06_B
14.4 Arc-length (弧長)