If using a separate current source and voltmeter to make low resistance measurements, each instrument must be checked for non-ohmic contacts.
如果使用分离的电流源和电压表来进行低电阻测量，则必须检查每台仪器的非欧姆接触情况。
Function execution context correctness is one of the most easily violated critical properties by OS (operation system) kernel programs while it is non-trivial to be checked out.
函数执行上下文正确性是操作系统内核程序最容易违反且难以检查的正确性性质。
The credibility of the relational expression is checked using 174 liquefaction and non-liquefaction case histories, which proves the expression has a correct rate of 71.2%.
用174个现场液化勘察资料对该式的可靠性进行了检验，结果表明：该式的判别正确率可以达到71.2%。
Our products are spot-checked by National Non-metal products Quality Supervising Test Center and all met the "CB5763-1998" Standard for past years.
历年经国家非金属矿制品质量监督检验中心抽检均符合“CB5763- 1998”标准。
Our products are spot-checked by National Non-metal products Quality Supervising Test Center and all met the "CB5763-1998" Standard for past years.
历年经国家非金属矿制品质量监督检验中心抽检均符合“CB5763- 1998”标准。
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