The source of electrons in an electron microscope is a heated filament.电子显微镜中的电子源,是一加热的灯丝.Characterzation: high quality quartz bulb, biplanar filament which enables increased illumination, uniform color temperature and l...
这种织物非常结实，能经受粗加工。The fabric is strong enough to withstand harsh processing.粗加工豆油的进口关税也是45%.Crude soy oil also attracts a 45 % import duty.在软 ( 退火 ) 工况下材料的粗加工和半精加工.Rough machining and semi - finishing of the material in it...
Not any more, mocked the crows from shady pine bough perches.时光不再啊, 乌鸦栖息在成荫的松树主枝上,向我发出嘲笑.The strong fortress mocked the invaders.坚固的堡垒使入侵者无法攻入。She mocked him as a country boy.她嘲笑他是个乡下孩子。Clarion calls to liberation had be...
a reversal of current trends目前趋势的转变This marked a 7% increase on the previous year and the reversal of a steady five-year downward trend.这标志着在前一年基础上有了7％的增长，扭转了5年来持续下降的趋势。That would be reversal of the order of host and gue...