介绍了冲击地压的危害程度, 发生的原因 、 条件及采取的防治措施.The harm of percussive ground pressure, produced reason, conditions and protective measures are introduced.介绍了煤矿发生冲击地压的显现特征.This paper introduces the characteristics of impact earth press...
These liabilities prompted development of agarose and agarose - acrylamide gels.这些不稳定性促使琼脂糖和琼脂糖 -- 丙烯酰胺凝胶的发展.The degraded starch and acrylamide - butyl acrylate copolymer have been produced.本文制得了异相酸降解淀粉和丙烯酰胺 — 丙烯酸丁酯共聚物.A...
Such disputes multiplied in the eighteenth and nineteenth centuries.这类纠纷在18和19世纪大量增多。The problems grew, multiplied, and complicated beyond all reason.这些问题发展了, 增多了, 而且复杂化了,简直不可思议.Hot weather multiplied the bacteria in mil...
He is circumspect and farseeing and seldom fails.他做事老谋深算,很少失误.Nicholas Lardy at the Peterson Institute in Washington is more circumspect.华盛顿彼得森研究所(PetersonInstitute)的尼古拉斯?拉迪(NicholasLardy)的看法更为谨慎.The banks should have be...
He whined and pouted when he did not get what he wanted.他要是没得到想要的东西就会发牢骚、撅嘴。"Why can't you tell me?" I whined.“为什么你不能告诉我？”我嘀咕道。The dog whined at the door, asking to be let out.狗在门前嚎叫着要出去.The engines whined.发动机呜呜作响。W...