英语词汇“球扇形”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	球扇形
释义	球扇形 qiú shàn xíng又稱“球分”、“球心角體”。一個扇形繞着一條不通過它的內部的直徑旋轉一週所得的幾何體。扇形的弧旋轉所形成的球冠或球帶稱爲球扇形的底，這個球冠或球帶的高稱爲球扇形的高。設球扇形的高爲h,球半徑爲r,則球扇形的體積爲v=23πr2h。
随便看	weak D weak damping weak D antigen weak data problem weak DC signal weak dea efficiency weak decay weak declension weak decomposition weak defence weak defense weak definition weak deformation retract weak degenerate weak degeneration weak demand weak demand from consumers weak deoxidation atmosphere weak department Weak dependent Gaussian sequences weak depolarizing current weak depression weak derivative weak derivatives weak descending chain condition