Impurity doped during epitaxy will diffuse in the epitaxial layer and even into the substrate.在半导体器件制造的外延工艺中,外延生长时通常要掺入杂质.A high Er ~ ( 3 + ) - doped narrow linewidth fiber laser based on fiber Bragg grating ( FBG ) Fabr...
Virtue is fairer far than beauty.道德远胜于美貌.Both children were very like Robina, but were much fairer than she was.两个孩子都很像罗比娜，但头发颜色比她浅得多。She had imagined a fairer visible heavenliness.她曾想象过一种无比美妙的清晰可见的神圣境界.Independent obser...
炭黑是不透明的,可以防止辐射热传到推进剂内部.Carbon black is an opacifier which prevents radiant energy transmission to the interior of the propellant.研究了纳米炭黑水泥砂浆的导电性和电热特性.Research of the nano carbon black cement mortar electrical and electro...
...infra-red homing missiles...红外线自动寻的导弹Absolutely . We have lots of skills that alter firing rate, spread , homing capabilities, etcetera.我们也有很多可以改变射击速度, 射击距离, 自动瞄准能力等等的技能.Many birds have a remarkable homing instinct .很...
她看见蛾子的翅膀偶尔会泛光。She saw the occasional glimmer of a moth's wings.几只蛾子在它前面飞，最终落在了那块粗糙的喷漆金属上。Moths flew in front of it, eventually settling on the rough painted metal.蛹蛰伏在土壤中，直到冬天它们才蜕变成蛾子飞出来。The pupae remain dormant in ...