The main methods are: glass - electrodes method, potassium dichromate method and statistical method.采用的主要方法有: 玻璃电极法, 重铬酸钾法,统计学方法等.Preferally, the anion portion of the salt is permanganate, iodate, dichromate or hyperchlo...
The proof is recoated with dichromate emulsion.将这张校样重新涂以重铬酸盐乳剂.Preferally, the anion portion of the salt is permanganate, iodate, dichromate or hyperchlorite.它的阴离子部分最好是高锰酸, 碘酸, 重铬酸或过氯酸根.The main methods are: glass - elec...
山丘上突然冒出一幢幢的房子。Houses had sprung up out of nowhere on the hills.800英亩绿地延伸至山丘后面。Rising into the hills behind are 800 acres of parkland.稀疏的雪花覆盖了山丘.The hills were salted with a light fall of snow....
The most valuable item on show will be a Picasso drawing.展览会上最贵重的展品是毕加索的一幅素描。There was an item in the paper about him.报纸上有一条关于他的报道。Leather jeans are the must-have fashion item of the season.皮革牛仔裤是这一季必备的时尚服饰。...
脉络膜通过许多血管为视网膜供应血液.The choroid coat carries many blood vessels to supply the retina.晶状体是脉络膜石晶状体平面上向前扩大的部分.The ciliary body is an anterior dilation of the choroid at the level of the lens.它被脉络膜分开以至于不再起作用了.It is separated f...
Alec blotted his copybook — got sent home for bad behaviour.亚历克因为行为恶劣被遣回了家，一下子名声扫地。Yuri gave a copybook display.尤里的表演堪称完美。It was a copybook operation by the police.警方的这一行动非常出色。...