She was dancing while someone substituted at the piano.她在跳舞,别人代她弹钢琴.The synthesis methods of melatonin, related tryptaminetryptamine derivatives and substituted indoles are discussed.从人工合成的角度综述了美乐托宁及有关化合物色胺、色胺衍生物及吲哚衍生物的制...
Declension means varying the forms of nouns, pronouns and adjectives in a sentence.变格是指名词 、 代词和形容词在句中的形式变化.As one of the anaphoric devices , English reflexive pronouns have long captured the imagination of linguists.英语反身...
但是照片当中的猴子并不是恒河猴.But this photo is not [ of ] a rhesus monkey.目的:研究正常恒河猴子宫的mri表现.To investigate MRI characteristics of normal rhesus uterus.通过TTV在恒河猴的实验感染,了解TTV的嗜肝性及其在各组织中的分布.To study tissue distribution of TTV in experim...
本文设计了一种可用于LMDS中 的采用加方形脊T形 结的微波矩形波导双工器.Design of a microwave rectangular waveguide diplexer for LMDS is presented.而且, 双工器中的滤波器保持了E面的制造加工优势.In addition, the manufacturing advantages known from E - plane technology are main...
They will compete for prizes totalling nearly £3,000.他们将为总额近3,000英镑的奖金展开争夺。China has the world's richest freshwater fish resources, totalling over 700 species, including 40 to 50 species of major cash fish.中国淡水鱼资源居世...