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...
Hundreds of tightly rolled newspapers were set aflame among the 50,000 crowd.几百张卷紧的报纸在为数5万的人群中被点燃。Cruz had to scavenge information from newspapers and journals.克鲁兹不得不从报纸和杂志中搜寻信息。The newspapers and television can make or ...
Mr. Olsen has always avoided anointing any successor...奥尔森先生总是回避指定继任者。" All right, sir,'said Olsen.“ 好的, 先生, "奥尔森说.He was seen as Mr Olsen's heir apparent.他被视为奥尔森先生理所当然的继任者。Mr. Olsen has always avoided anointin...
If we are a very professional high - energy physicists, using electron - positron collider experiments.如果我们是个非常专业的 高能 物理学家, 用电子对撞机做实验.Large Hadron Collider is so far the world's largest, highest - energy particle ac...