State the DFX of the SMT , DFM Conception and the key technologic points.本文阐述了表面贴装领域中的DFX思想 、 DFM概念和研究内容、DFM软件 系统架构及其实现的关键技术点.Just as in other industry, DFM of SMT is also very important.就如在其它行业中一样, DFM在表面贴装领域中也是同样适用并且非常...
她是个混血（英国和牙买加）伦敦人。She's a Londoner of mixed parentage (English and Jamaican).这家旅馆是伦敦人理想的避风港。The hotel is an ideal bolt-hole for Londoners.她的口音说明她是伦敦人.Her accent betrays her a Londoner....
Some sedatives produce the para-doxical effect of making the person more anxious.一些镇静剂适得其反，加重了患者的焦虑。A wide variety of mild sedatives and tranquilizers have become available.现在有许多种镇静剂和安定剂.Since July 1967 there has been a ...
After an hour and a quarter's-worth of cleansing, toning and pampering, the difference to the way my skin felt was remarkable.经过1小时15分钟的清洁、柔肤和精心护理后，我的皮肤摸上去感觉大不一样。But you need to make an appointment because these peo...