載入中... 相關課程 Back 10-3-1 以極座標表示時長方形區域上的雙重積分 登入觀看 ⇐ Use this menu to view and help create subtitles for this video in many different languages. You'll probably want to hide YouTube's captions if using these subtitles. 10-3-1 以極座標表示時長方形區域上的雙重積分 上傳學習單 下載學習單