In other words, The Hermiticity of a matrix is invariant under unitary transformations.换言之, 矩阵的厄密性在幺正变换下保持不变.A matrix of this sort occurs, for example, in electric networks when mutual inductance is present.例如, 当电网络中有互感时...
所有的渡船都免费或以极低的收费运载自行车。All the ferries carry bicycles free or for a nominal charge.各处对单程租赁的收费都很高。There are hefty charges across the board for one-way rental.收费低廉的旅行社可以提供240英镑起的低价机票。Cheap flights are available from budget t...
珍妮特和哈里已经关店了, 看来一定有七点钟了吧.Janet and Harry have put up the shutters. I see, it must be seven o'clock.“ 你们还是肯定非关店不可 吗 ?" Are you still sure to close up? "年底盘点,关店歇业.Close up shop and stop Business for yearly stocktaking....
Her old car was unreliable, so the trip was plagued by breakdowns...她的旧车老不听使唤，一路上总是出故障。Sarah had been plagued continually by a series of minor illnesses.萨拉一直小病缠身。The team has been plagued by indecision and internal divis...
病人的免疫系统会对移植器官产生异质排斥反应。The patient'simmune system would reject the transplanted organ as a foreign object.但免疫疗法目前仍处于实验阶段。For the time being, however, immunotherapy is still in its experimental stages.瑜伽能增强人体免疫系统。Yoga...