Mr. Black walked around and offered help while we were doing an experiment.
我们做实验时，布莱克先生四处走动并提供帮助。
In 1856, William Perkin, an 18-year-old science student, noticed something strange while doing an experiment.
1856年，18岁的理科生威廉·珀金在做实验时注意到一些奇怪的事情。
If you are doing an experiment, you may ask your partner: Would you please pass me the sodium chloride?
如果你正在做的实验，您可能会问你的伴侣：请你给我的氯化钠？
Xiao Wang is doing an experiment on external planting, and the professor has asked him to report his results promptly.
小李正在做外植试验，教授要求他及时报告试验结果。
However, for Wang Xiaoya, 26, a graduate student majoring in journalism and communications at Tsinghua University, making a talk show is like doing an experiment.
对于清华大学新闻与传媒专业、26岁的王晓亚而言，做脱口秀更像是在做实验。
Suitable high frequency magnetic conductive inductor was made through analyzing the high frequency vibrating circuit of electron tube and doing an experiment of magnetic conductive inductor.
通过对电子管高频振荡线路的分析和对导磁体感应器的试验，制作了合适的高频导磁体感应器。
The experiment doing the measuring determines what properties an electron might have.
这个进行测量的实验决定了电子可能有什么属性。
Trying an experiment of heat-treating to the high chromium cast iron samples in different heat treatment processes selected, then doing their mechanical performance experiment.
通过选择不同的热处理工艺对高铬铸铁试件进行热处理实验，然后对该试件做机械性能实验。
Trying an experiment of heat-treating to the high chromium cast iron samples in different heat treatment processes selected, then doing their mechanical performance experiment.
通过选择不同的热处理工艺对高铬铸铁试件进行热处理实验，然后对该试件做机械性能实验。
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