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	ground torpedo ground-to-satellite PN code ranging system ground-to-sea missile ground-to-sea rocket ground-to-ship ground-to-ship missile ground-to-ship rocket ground to sky ground-to-space missile ground-to-space surveillance ground-to-submarine missile Ground to the aurora in the center of the earth ground touching cross step ground-to-underwater missile ground-to-under-water missile ground trace ground track ground track camera Ground-track drifting ground track field ground tracking equipment ground-tracking equipment Ground Tracking System Ground-track keeping ground track lock circuit