拉伸速度的变化对强度变异系数的影响不大。
The drawing speed has little influence on the strength variable coefficient.
统计了物理性质参数和力学性质参数的变异系数。
Then coefficients of variability of physical and mechanical parameter are given.
结果该方法变异系数小，准确度高，操作简便易行。
RESULTS The method is accurate and easy to operate, and coefficient of variation is small.
该法操作简单，测定结果准确。 该法的变异系数为052％，回收率为9997％。
The process is of easy operation and accurate results with 0.52% coefficient of variation and 99.97% recovery.
该法操作简单，测定结果准确。 该法的变异系数为052％，回收率为9997％。
The process is of easy operation and accurate results with 0.52% coefficient of variation and 99.97% recovery.
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