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是测量的数据A1,A2,A3,,,之间比较呢？还是测量数据A和某一标准数据B进行比较？B从何而来？
big-robot
(robot)
(#215830@0)
Last Updated: 2001-10-3
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急！求教：测量工具如卡尺，千分尺的CALIBEATION怎么做？
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