To ensure the quality of welding products, welding procedure evaluation must be made before welding construction.

为确保产品的焊接质量，在正式焊接施工前必须进行焊接工艺评定。

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The article studies curriculum from 5 aspects of guiding thought and target, basic demands, basic procedure, evaluation system and problems we should emphasize.

本文从精品课程建设的指导思想和目标、基本要求、基本程序、评价指标体系、注意的问题等五个方面对精品课程建设进行了研究。

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Endometrial polyps are typically identified during the evaluation of abnormal bleeding and may be found either on ultrasound or by endometrial biopsy, an office procedure that samples the lining of the uterus.

CNN: What are the potential problems with ovarian cysts?