重点抽样技术是一种方差减少技术，它能显著地减少运算时间。
So Importance Sampling simulation is used to reduce the time of simulation.
文章简单介绍了统计抽样检验，重点阐述了如何应用统计抽样检验保证产品的质量水平、分析存在的风险，并给出不合格品处理方法。
This paper simply introduces statistical sample inspection, mainly elaborates how to ensure product's quality level by it, analyze its risk and give the methods of nonconformity.
结果本文通过现场评价的策划，提出现场评价策划的重点是评价标准、抽样方法、表格设计和评价结果的应用。
Results the make plan passed through on the locale evaluation, put forward make plan focal point on the locale evaluation of appraise standard, spot-method, forms design and the application result.
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