评定长度
- 网络evaluation length
评定长度-
塑料件表面粗糙度取样长度和评定长度的验证
Verification of Sampling Length and Evaluation Length of Surface Roughness for Plastic Parts
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环缝射线外透一次透照长度、有效评定长度和透照次数的编程计算
The Program Calculation of Every Shine Length , Effective Evaluation Length and Shine Number in Circumferential Seam Radiograph
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测量方向、取样长度和评定长度的选取、评价参数的确定是表面粗糙度测量的首要工作。
Selection of measurement direction , sampling length and evaluation length , ascertainment of evaluation parameters are priorities .