某种蟑螂喷射一种催泪性毒气――乙 基丙烯 醛.A species of cockroach sprays a substance , ethylacrolein, that is a kind of tear gas.即丙烯醛水合法, 环氧乙烷甲酰化法,生物发酵法.They are acrylaldehyde hydration, ethylene oxide formylation and biological zymolysis m...
他用自己的汽车出差,并按行驶英里数支付费用.He uses his own car for business purposes and is paid mileage.他用自己的汽车出差,并按行驶英里数“支付”费用.He uses his own car purposes and is paid mileage.如果你安装增压器12个月无限的英里数保证将盖住它.If you install the supercharger it wil...
By 1740 European feudalism was in its death throes.到1740年,欧洲的封建主义摇摇欲坠.This marked an initial victory for the struggle against imperialism and feudalism.这标志着反帝国反封建的斗争取得了初步胜利.All of these are the survivals of feudalism and...
The legislature repealed the unpopular Rent Act.立法机关废除了不得人心的租借法案.In 1976, the Pickett Act was repealed.1976年, 《皮克特法案》被废止.This provision was repealed in 1990.这一条款在1990年被撤销了....
The house is a textbook example of medieval domestic architecture.这所房子是典型的中世纪民居。In this paper, the architecture and routing configuration of DBS Internet access system is introduced.介绍了直接广播卫星(DBS)因特网接入系统的结构和路由配置.These tw...