The electronic and printing unit has annual sales of about $80 million.电子印刷部门每年销售额约为8,000万美元。His brother ran a printing and publishing company.他哥哥经营了一家印刷出版公司。Men traditionally monopolized jobs in the printing industry.在传...
两个共振峰下面的面积是不相等的.The areas under the two resonance envelopes are unequal.通过考察收集的离子电流信号中的共振峰可得到离子的荷质比、回旋频率等参数.Analyzing the resonant peak to acquire the charge - mass ratio and cyclotron frequency of the ions.共振峰: 使用了对频谱的振...
It's easy to get a tummy upset from river water.喝河水很容易闹肚子。After a pause Alex said sharply: "I'm sorry if I've upset you"歇了一会儿后，亚历克斯毫不客气地说：“要是让你心烦了，那我很抱歉。”She spoke haltingly of her deep upset and hurt.她吞吞吐...
He pays too much heed these days to my nephew Tom, and Tom is no great thinker.他最近过分重视我侄子汤姆的话了，而汤姆根本不是什么伟大的思想家。It pays to invest in protective clothing...在防护服上投资是值得的。He believes this will centre around the interest the F...