钎焊铜及铜合金 、 银、钼等金属.Brazing of copper, copper alloys, silver and molybdenum etc.黄铜和青铜是两种广泛使用的铜合金.Two widely used alloys of copper are brass and bronze.研究了ICP -AES 法测定铜合金中微量硅的最优化条件.The conditions for determination of Si in C...
The axioms adopted by Euelid mere supposed to be self - evident truths.欧几里德用的公理都应看作是不证自明的真理.The theorems should be deduced from axioms by purely logical arguments.定理应该通过纯粹的逻辑的推导而从公理演绎得到.The simplest of the substitute axi...
她拍的每一张照片中都传递出一种临场感，使人有如亲临现场。In every one of her pictures she conveys a sense of immediacy.我的主人命令我务必私下里传递消息。My master ordered me not to deliver the message except in private.你的衣着能传递很多关于你的信息。What you wear speaks volumes ab...
Using a knife, make slight indentations around the edges of the pastry.用刀子绕馅饼边沿刻小锯齿。The horse's hooves left deep indentations in the mud.马蹄在泥地里留下了深深的蹄印。Make four indentations into the condenser near the standard con...
After touring the hospital, Her Majesty unveiled a commemorative plaque.女王陛下巡视完这家医院后，为纪念匾揭了幕。The Queen unveiled a commemorative plaque.女王为纪念牌匾揭幕。There is a commemorative plaque to the artist in the village hall.村公所里有一块纪念...