significance test of change
常见例句
- In addition, a significance test for the change of the etching rating after magnetic treatment was performed.
并在此基础上，对试样在磁处理前后的腐蚀速率差异值进行了统计意义上的显著性检验。 - The velocity and sound pressure value of ultrasonic beam in the material will change with temperature. It was of important significance to know the temperature effect on ultrasonic test parameters.
随着温度的变化，材料中超声波的声速、声压值会发生变化，掌握温度对超声波参数的影响，对高温状态下超声波检测具有重要意义。 返回 significance test of change