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...
For example: brevibacterium diazo resin treantment exposure during bleaching , it can change the surprint template color.例如: 黄色轻氮物在曝光历程洋被不染黑, 它可以保持已曝光的模版的颜色....
The concept and the connotation of spacesuit ergonomics are spicified.阐明了工效学概念,将其运用于航天服设计.The new - style spacesuit is much lighter than the older one.新式的太空服比老式的那种轻便了许多.Because the spacesuit protection only 1 mm in diame...
正常的和变态的性行为sexual acts, normal and perverted已定名的昆虫约有750,000种,其中85%的昆虫都是完全变态的.There are about 750,000 species of named insects and 85 % of these are holometabolous.大多数变态的杀人王都出自于废弃的农场.Most of the interesting murderers come ...
相机发出嗡嗡声和咔嚓声。The camera whirred and clicked.他的五脏六腑又是一阵痉挛; 皮靴咔嚓声又走近了.There was another spasm in his entrails, the heavy boots were approaching.下面传来了听熟了的歌声和鞋子在地上来回的咔嚓声.From below came the familiar sound of singing and the s...