把导体看成是大量受迫阻尼振动的振子的集合.Envision the conductor as an assemblage of driven , damped oscillators.这个振子将获得能量.This oscillator will pick up energy.所有的振子都处于基态.All oscillators are in bottom state....
Independent agencies were an excrescence on the Constitution ( Los Angeles Times )独立的代理处是宪法不需要的东西 ( 洛杉矶时报 )In my opinion, the new museum extension is an excrescence.依我的观点, 这座新博物馆扩建的部分是个累赘.The trade union block vote is an...
The destructive and malignant neoplasms of chorionic epithelium often arise from hydatidiform moles.破坏性和恶性的绒毛膜上皮癌往往是葡萄胎所引起.Purpose To explore the CDFI diagnostic value for the hydatidiform mole.目的探讨彩色多普勒血流显像(CDFI)对侵蚀性葡萄胎...