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...
Cold cathode sensing tubes are more rugged than the glass, hot - filament tubes.冷阴极传感管比玻璃热丝管坚实.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.Tropomyosin adds structural rigidit...
The engender harmfulness and prevention of the static were introduced.摘要介绍了静电的产生、危害、防止的方法,著重评述了抗静电剂基本特性.It helps engender a sense of common humanity.这有助于营造一种博爱的感觉。It helps engender a sense of common humanity...这有助于营造一种博爱...
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...
所有提交的文件必须真实且易于查证，这一点很关键。It is crucial that all documents presented are authentic and easily verifiable.申请人需要提交一份简历和附函。Applicants are asked to send in a CV and a covering letter.我已请每个人在会议之前提交问题。I had asked everyone to sub...
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...