1. His bona fides was questioned.
   人家怀疑他的诚意。
2. His bona fides are unquestionable.
   他的诚意不容置疑。
3. The fides of the company is generally a question for the jury.
   该公司的信用是陪审团要考虑的一个问题。
4. The determination method of ethylene chlorohydrin content by u sing FID chromatograph polyethylene glycol 20M chromatographic column was introd uced.
   介绍了采用FID的色谱仪聚乙二醇20M色谱柱对氯乙醇的定量测定方法。
5. Methods:Active carbon tube adsorption were used for sampling of methacrylonitrile, then thermal desorption analysis was performed by GC(FID).
   方法:活性碳管吸附空气中甲基丙烯腈,热解吸后气相色谱(FID)测定。
6. Whenever possible "Freephone" or similar facilities should be provided so that Respondents can check the Researcher's bona fides without cost to themselves.
   无论何时,尽可能提供"免费电话"或类似的设备,让被访者应免费查到研究人员的真实性.

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