The IEC standard for special tests on evaluating the performance of low-energy contacts was introduced.
介绍了关于小容量触头的性能评定方法——特殊试验的IEC标准。
Based on special tests and calculations, some technical problems within the total cylinder sampling technique for a diesel engine were analysed and discussed in this paper.
本文通过专门的试验或计算。对柴油机全气缸取样技术存在的几个问题进行了分析与讨论。
They believed, correctly, that IQ tests are a valid method of evaluating children for special education classes.
他们相信,IQ 测试是评估孩子是否适合特殊教育课程的有效方法,这是正确的。
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