pi talk的意思
pi talk中文翻譯:
pi談話
pi───abbr.產品改進(productimprove);預估發票,形式發票(proformainvoice);首席研究員(principalinvestigator)
talk talk───說話說話
talk talk talk───說吧,說吧
cotangent pi───余切π
pi pron───n.粉病靈
pi no───abbr.正輸入-負輸出(PositiveInput-NegativeOutput);n.(Pino)人名;(英、法、西、意、葡)皮諾
pi t───n.礦井;深坑;陷阱;(物體或人體表面上的)凹陷;(英國劇場的)正廳后排;正廳后排的觀眾;n.(Pit)人名;(東南亞國家華語)必;vt.使競爭;窖藏;使凹下;去…之核;使留疤痕;vi.凹陷;起凹點
approximating pi───近似pi
talk───v.說話;談論;談心;談判;(用某種語言)講;說服;泄露秘密;議論;講的是;說閑話;供出消息;n.談話;談判;(非正式的)講話;報告;空談;謠言;話題;說話的方式
So if we want to talk about the volume of that, we just talk about the surface area, which is 4 pi r squared, and we multiply that by the thickness d r.───如果我們要討論它的體積,我們要用的是表面面積,也就是4πr的平方,乘以厚度dr
perfectly spherical shell dr at some distance, thickness, d r, dr we talk about it as 4 pi r squared d r, so we just multiply that by the probability density.───在某個地方的完美球型殼層,厚度,我們把它叫做4πr平方,我們僅僅是把它,乘以概率密度。