In each cycle of operation the particle picks up energy from the oscillating eletric field.粒子每运转一周都从振荡电场获取新的能量.The ferrography is a wear diagnosis technology based on the analysis of wear particle.笔者利用铁谱技术作为一种监测手段,通过磨粒分析...
A proton is an elementary particle of matter.质子是物质的基本粒子。This particle has a very small mass.这种粒子的质量很小.The technique requires the coupling of a particle accelerator and a mass spectrometer.这种技术要求将粒子加速器和质谱仪连接起来。...
Over a given period, the value of shares will rise and fall.股票的价值在某一特定的时期内会有涨跌。South Africa was going through a period of irreversible change.南非正在经历一场不可逆转的变革。The next few weeks will be a period of readjustment.接下来的几周将是适应...
A dogged air of confidence exuded.坚定不移的信心显露无遗。Nearby was a factory which exuded a pungent smell.旁边是一家散发出刺鼻气味的工厂。The old drawer exuded a smell of camphor.陈年抽屉放出樟脑气味....