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...
The French have acted swiftly and decisively to protect their industries.法国人采取了迅速而果断的行动来保护他们的产业。"I'll call for you at half ten," she said decisively.“我10点半去接你，”她果断地说道。The proposed bill was decisively defeated in Par...
Gneiss, a metamorphic rock, can be commonly found in Precambrian areas.片麻岩, 变质岩, 可以发现,在常见的前寒武纪地区.Precambrian time for as much as eighty - five percent of all geological time.从前寒 武 世纪以来地球地面大部分被冰川所覆盖的任何地质年代.Late Precambria...