阐述了实验室间比对的意义，并以机车柴油机燃油消耗率作为比对参数，说明实验室间比对的实施过程。
Taking specific fuel oil consumption of locomotive engine as a comparative parameters, the implementation procedure of the contrast between laboratories was described.
实验室能力验证是指通过实验室间的测试比对来评判实验室测试能力的一种技术活动。
Laboratory proficiency testing is a technical action appraising the testing ability of laboratory by inter laboratory comparisons.
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