Finally the structures were released in a 49 % HF etch.最后在49%F中腐蚀形成这些结构.More often , all of the materials etchant have a finite etch rate.剂中的材料都具有一定的刻蚀速率.Can some one suggest a suitable etch or sequence of etches to achi...
他强烈批评那些无视莎士比亚的自诩为教育专家的人。He fiercely criticised self-styled educational experts for ignoring Shakespeare.好消息是现在可以获得专家的帮助。The good news is that expert help is now available.专家的意见未被重视。The advice of experts went unheeded....
It appears to be a throwback to prehistoric times that it has somehow managed to survive.不知什么原因它竟然能够存活下来,这看来是对史前时期的一种返祖现象.The hall is a throwback to another era with its old prints and stained-glass.这个大厅的古老图案和彩色玻璃是对过去一个时...
勘探者爬上土丘去勘测周围的土地.The explorers climbed a mound to survey the land around them.已经勘测到圣安德烈亚斯断层的其中一处所承受的拉力在增强。A build-up of strain on a section of the San Andreas Fault has been detected.一名勘测员说是地面下陷导致了这些问题出现，房子需要加固地基。A survey...
Hexachlorophene - containing skin cleanser is substituted when allergy to shellfish or iodine is present or suspected.在怀疑或患者确实存在对碘及贝类动物过敏时,可以改用含有六氯酚的皮肤消毒液.Why to eat mango to you can cause labial allergy?吃芒果为什么会引发嘴唇过敏?Sk...
He leans over backwards to make up for what he has lost.他尽力弥补他的损失.Hard work can often make up for a lack of ability.努力工作经常可以弥补能力的不足.Her beauty can't make up for her stupidity.她的美丽不能弥补她的愚蠢....