Servo oscillation

servo [['sə:vəu]]

n. 伺服, 伺服系统\\n[计] 伺服装置

oscillation

n. 振动, 动摇, 变动, 彷徨, 电波\\n[医] 振动, 摆动

The two sistes are very much alike.

这两姐妹长得非常相像。

We were pleased to hear from your letter of 6 August that you were impressed with our selection of toys.

我们很高兴收到你方8月6日来函得知你方对我们的玩具非常感兴趣。

Mead predicts that inventors will be able to perfect powerful customized chips over a weekend at the office -- spawning a new generation of garage start-ups and giving the U.S.a jump on its foreign rivals in getting new products to market fast.

米德预言发明者可以在办公室用一个周末的时间生产了完美的、功能很强的、按客户需求设计的芯片 -- 造就新一代从汽车间起家的技术人员，在把产品推向市场方面使美国把它的外国对手们打个措手不及。