The laser - cladding techique for welding of and large workpieces is reported.本文报导了激光熔敷法焊接异型件的新技术.Cooling affects the machining precision of workpieces and the tool - life greatly.冷却问题的研究是非常重要的,它对工件的加工质量和刀具寿命有很大影响.Adopti...
But Samuel was ministering before the LORD - a boy wearing a linen ephod.那时,撒母耳还是孩子,穿着细麻布的以弗得,侍立在耶和华面前....Samuel Barber's Adagio For Strings.塞缪尔·巴伯的《弦乐慢板》Many a man thinks, what he is ashamed to avow ( Samuel Johnso...
Peter starts looking through the mail as soon as the door shuts.彼得一关上门就开始逐一查看起邮件来。"Would your car be easy to steal?" — "Fat chance. I've got a device that shuts down the gas and ignition."“你的汽车容易被盗吗？”——“不太可能。有个装置，可关...
His name is expunged from the list.他的名字从名单中被除掉了.His name was expunged from the record books.他的名字被从档案簿中删去了。Her name was expunged from the list.她的名字已从名册上除掉....
The magnetism and ferroelectricity were detected.在室温下探测到了共存的磁性和铁电性.On the other hand, a high remanent polarization indicates a strong ferroelectricity, which enhances piezoelectric properties.另一方面, 高的剩余极化强度Pr使材料铁电性的增强, 有...