空气中所含的氮的比例是多少?What is the percentage of nitrogen in air?作物收获后, 他测定了作物中氮的含量.After harvesting the crops , he tested them for nitrogen content.不含碱性氮的化合物包括吡咯 、 吲哚 、 咔唑和苯咔唑.Non - basic nitrogen - containing series include pyr...
The expectant mothers that Amy had encountered positively glowed with pride.埃米遇见的准妈妈们个个洋溢着自豪和喜悦。Philip paced the floor, a typically nervous expectant father.菲利普在地板上踱来踱去，一副典型的神经紧张的准爸爸形象。She turned to me with an expectant ...
They're keenly aware that whatever they decide will set a precedent.他们深知无论他们的决定是什么，都将开创先例。An east London school has set a precedent by fining pupils who break the rules.伦敦东区的一所学校开创了对违反校规的学生处以罚金的先例。The trial could se...
我们常常举出这样一系列形状不同,然而具有相同光焦度的透镜,作为透镜的配曲调整的例子.One often speaks of this succession of shapes having the same power as exemplifying lens bending.用同样的方法,我们能够求出任意数目的薄透镜的响应.In this same way we could compute the response of any nu...
每条连衣裙都缝上了褶边，并经过严格的检查，不允许有任何瑕疵。Each dress is hemmed and scrupulously checked for imperfections.允许有0.001英寸的偏差.It has a tolerance of 0.001 of an inch.法官执法时不允许有不正当的行为.Judges cannot permit irregularity in carrying out justice...
The quasi - geoid computed by geopotential model is fitted with the quasi - geoid measured by GPS leveling.将地球位模型计算的阜新似大地水准面拟合于GPS水准实测的似大地水准面.Geodetic leveling should be done with staves in which the onstrip of invar.大地水...
"Let's invite her to dinner." — "Over my dead body!"“我们请她来吃晚饭吧。”——“除非我死了！”But that doesn't mean this brand of politics is dead or dying.但那并不意味着这种政治主张已经或正在消亡。"That is correct, Meg," he answered in his cold, dead...
精胺 ( Spm ) 和腐胺 ( Put ) 在膨大过程中含量高,尸胺 ( Cad ) 和亚精胺 ( Spd ) 含量较低.Spermine ( Spm ) and putrescine ( Put ) content were significantly higher than cadavarine ( Cad ) and spermidine ( Spd ) during rhizome development.高氯酸溶液提取,丹酰...
Fault Effect : Engine will derate to no - boost fueling.故障结果: 发动机将下降到无增压供油.Wear road of tension line freely to village mouth, and derate discretion controls all construction cost.免费把高压线路架到村口 、 并减免高低压一切施工费用....