| 释义 |
〔exact〕Characterized by accurate measurements or inferences with small margins of error; not approximate:精确的，精密的：以精确测量或精密推论为特征的，只有极小的误差；不是大约的：〔tolerance〕The permissible deviation from a specified value of a structural dimension, often expressed as a percent.允许变量容差：结构长度上允许存在的偏离某一既定标准的误差，常常用百分数来表示 |