求翻译：生产使用及称量实验动物和取样用天平、台秤应进行两点校验，校验值应覆盖日常使用称量范围，应选用最接近日常使用最大值、最小值规格的砝码进行校验。是什么意思？

Production and use of laboratory animals and sampling and weighing with scales, scales should be two sets of parity, checksums should cover the weighing range for everyday use, should be used closest to the daily use of maximum, minimum weight specification for verification.

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The production use and the weighing experimental animal and the sample with the balance, the platform scale should carry on two verifications, the verification value should cover the daily use weighing scope, elected with the closest daily use maximum value, the minimum value specification weights c

Production use and balance, scales for weighing and sampling for laboratory animals should be carried out two point calibration, checksum should cover day-to-day use weighing range, should select the closest to the everyday use maximum value, minimum value weights for verification of the specificati

Production use and balance, scales for weighing and sampling for laboratory animals should be carried out two point calibration, checksum should cover day-to-day use weighing range, should select the closest to the everyday use maximum value, minimum value weights for verification of the specificati