drill core amendment

• 钻芯修正

drill core amendment的用法和样例：

例句

1. This method properly determined the sample quantity to make core-drilling amendment with the confidence degree and precision estimate theory of error theory.
   在该方法中，利用误差理论中的置信度和估计精度理论，合理确定钻芯修正所需要的芯样数量。