Methods the steel balls were measured by slide caliper, then the computerized measurement was compared with manual measurement, and the reliability of computerized measurement was analyzed.
方法用小钢球拍验证片，并对所拍的影像分别进行线距的手工测量和数字X线机自带标尺测量。
Methods the steel balls were measured by slide caliper, then the computerized measurement was compared with manual measurement, and the reliability of computerized measurement was analyzed.
方法用小钢球拍验证片，并对所拍的影像分别进行线距的手工测量和数字X线机自带标尺测量。
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