射线底片的评定工作简称评片，由二级或二级以上探伤人员在评片室内利用观片灯、黑度计等仪器和工具进行该项工作。评片工作包括底片质量的评定、缺陷的定性和定量、焊缝质量的评级等内容。
结果显示，利用此技术能够提高和改进评片的质量及效率。
The results show that this system could improve the quality of weld defects assessment.
由两位高年资诊断医生和一位主管技师采用双盲法集体评片。
The result was interpreted by two senior doctors and a diagnostic technician who were doubleblinded.
微软内部理想主义者对实用主义者的胜利，我2004年就报道过了，直接解释了为什么Vista收到一片恶评，并且销售惨淡。
The victory of the idealists over the pragmatists at Microsoft, which I reported in 2004, directly explains why Vista is getting terrible reviews and selling poorly.
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