The Frequency Shift Keying modulation is widely used in HF digital communication.移频键控是短波数字通信中常用的一种调制方式.Her sister carried with her most of the grimness of shift and toil.她姐姐身上还带着艰辛操劳的痕迹.Before deselecting shift the selec...
Sentinels were placed at all the approaches to the farm.在去农场的所有路上都布置了哨兵.Sentinels stopped them, enquired, passed them.哨卡拦阻他们, 盘问他们, 放他们通行.Their pink buds , thrust up like arrows , seemed sentinels watching over Baiyangdi...
Customs officials have made a series of contradictory statements about the equipment.海关官员们对这种设备作出了一系列互相矛盾的陈述。As far as I'm concerned the officials incited the fight.在我看来，是官员们煽动了这场争斗。A court at Tampa, Florida has con...
熔岩沿火山坡面涌流而下.The lava flowed down the sides of the volcano.岩浆就会从火山口缓缓涌流出来。The lava will just ooze gently out of the crater.但是这种方法难以抑制涌流中的高频分量.However, these methods can't suppress the frequency component in the surge...