炭黑是不透明的,可以防止辐射热传到推进剂内部.Carbon black is an opacifier which prevents radiant energy transmission to the interior of the propellant.研究了纳米炭黑水泥砂浆的导电性和电热特性.Research of the nano carbon black cement mortar electrical and electro...
贫困产生了贫民窟，那里不仅有碍观瞻，而且卫生隐患严重。Poverty leads to slums, which are an eyesore and a health hazard.贫民窟要被炸掉了。The slum is to be dynamited.贫民窟的贫穷和肮脏the poverty and squalor of the slums...
Promote materialist dialectics and oppose metaphysics and scholasticism.要提倡唯物辩证法,反对形而上学和烦琐哲学....the materialist view of nature and society.唯物主义的自然观和社会观Leo is a materialist, living for life's little luxuries.利奥是个物质享乐...
在界面中为对象类型创建独特的符号有利于用户认知,这些符号并不总是表达性的或隐喻的.Creating unique symbols for types of objects in the interface supports user recognition.Searle将言语行为分为五类: 断言性言语行为 、 指令性言语行为 、 承诺性言语行为 、 表达性言语行为和宣告性言语行为.Searle classified speech act...
A meeting of agriculture ministers in Luxembourg today has so far failed to reach agreement over farm subsidies...今天参加卢森堡会议的各国农业部长目前尚未就农业补贴问题达成一致意见。The two American negotiators are calling for substantial cuts in externa...