This edition of BS 5099 introduces a clause on calibration frequency, together with an associated annex on the procedure for checking the efficacy of the method of spark testing.

此版本的BS 5099在附件里增添了火花试机的校准周期以及校准的方法和程序。

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The technical index and calibration level of the DC resistance voltage divider are analyzed, the uniform calibration method is proposed, the uncertainty is analyzed and the checking method is given.

分析了直流电阻分压箱的技术指标和校准水平，提出了等分测量的校准方法，进行了不确定度分析，给出了验证方法。

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In order to maintain the credibility of checking and calibration of the measurement standard equipment, period checking should be carried out.

为了保持计量标准设备检定、校准状态的良好可信度，应该实施期间核查。

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