The electron microscope uses a beam of electrons to produce images at high magnifications.电子显微镜利用电子束形成高倍影像。And what is more: The technique can be used with all objective magnifications is no restriction.特别提示: 这种技术能适用于各种物...
There have been enormous advances in the compilation of data on suspected terrorists.恐怖嫌疑犯的资料收集工作已经取得了非常大的进展。Transportation accidents resulting in radiation releases could occur, as could thefts by terrorists.因放射物泄露而引起的运...
The receiver and the quarterback are going to trade positions.接球手与四分卫将会对换位置。The line went dead. Whitlock replaced the receiver.线路中断了，惠特洛克把听筒放回原处。That's a heterodyne receiver.那是外差式接收机.That’s a heterodyne receiver.那是外...
Interest rates would come down as the recovery gathered pace.随着复苏的加速，利率会降下来。Instead of moving at his usual stately pace, he was almost running.他没像平时那样优雅庄重地走着，而是几乎跑了起来。With four laps to go, he kept pace with the leaders.还...