频率计不好用了, 需要更换.The frequency meter is not in effectiveness, to be renewed.数字频率计是一种基本的测量仪器.Measurement of time - frequency electronic measurement is an important area.介绍了数字频率计设计的基本原理.This paper has introduced the basic pri...
结婚16年后，他们已经渐渐彼此厌倦了。After sixteen years of marriage they have grown bored with each other.这张地毯是首相送的结婚礼物。The carpet was a wedding present from the Prime Minister.奥拉伊奇先生通过结婚而取得在英国的永久居留权。Mr Olaechea has British residency by ...
Use recorded delivery for large cheques or money orders.对于大额的支票和汇款单要使用挂号邮寄。She recorded a time of two minutes 8.74 seconds.她以两分8秒74的成绩创了纪录。A photographer recorded the scene on video for posterity.摄影师用摄像机为后代记录下了这个场景。...