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.
本文主要采用典型抽样法，选取南宁市14座具有代表性的城市立交桥作为重点研究对象。
This paper USES the typical sampling method, selection of Nanning city block 14 has the representative city overpass bridge as the research object.
本文介绍了统计抽样检验，重点阐述了统计抽样检验如何科学地保证产品的质量水平。
This paper introduces statistical sample inspection, Mainly elaborates how to ensure product's quality level by statistical sample inspection.
在数据质量评估中，我们除对抽样误差进行检查外，重点是对非抽样误差和偏差的检查。
Focus in data quality assessment is non-sampling errors and variance, in addition to sampling errors.
本文介绍了最近的关于检查错误影响的工作，重点是接受抽样和群筛选，也简介了有关的估计和分等问题。
This article reviews recent works on the effects of inspection errors involving mainly acceptance sampling and group screening with brief mention of related estimation and grading.
方法在重点地区采取随机抽样方法选择调查点进行饮水砷测定及地方性砷中毒调查。
Methods The investigated sites were randomly sampled in possible regions where determination of arsenic content in drinking water and survey on endemic arsenic poisoning was carried out.
研究了高倍抽取的数字下变频设计，重点分析了基于级联积分梳状滤波器、级联补偿滤波器、级联根升余弦滤波器的多级抽样频率算法。
In this paper, the high decimation ratio of digital down converter is studied and the multi-stage decimation algorithm is especially analyzed based on CIC filter, CFIR filter and RRC filter.
重点阐述了抽样方案的确定方法和抽样方式的选择。
Sampling plans and methods of sampling were mainly expounded.
第三章主要介绍了抽样方案的设计以及样本量的计算。其中对方案中重点用到的目录抽样也给予了较详细的介绍。
Third chapter mainly introduces sampling scheme design and calculation of sample size, among which catalogue sampling used in the scheme is introduced by detail.
第三章主要介绍了抽样方案的设计以及样本量的计算。其中对方案中重点用到的目录抽样也给予了较详细的介绍。
Third chapter mainly introduces sampling scheme design and calculation of sample size, among which catalogue sampling used in the scheme is introduced by detail.
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