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[统计]取样时间；[数]抽样时间
1、unstratified sampling───非分层取样
2、sampling distribution───采样分布；[数]抽样分布；取样分布
3、multistage sampling───多级采样; 多级抽样; 多级抽样法; 多级取样；[统计]多级抽样
4、quota sampling───配额取样；[经]定额抽样；定额抽样（法）
5、sampling error───[数]抽样误差；取样误差，抽样误差，采样误差
6、cluster sampling───分群[组]抽象法；分组取样；类集抽样；巢式抽样法
7、sampling rate───采样率，抽样率；[自]采样率；[数]抽样率
8、impertinence sampling───不恰当抽样
9、convenience sampling───便利抽样；方便抽样；任意抽样；方便抽样，任意抽样
1、the basis of analytical chemistry, the design method of the sampling time is provided.───根据分析化学的要求，提出样品采集时间的设计方法。
2、The method is characterized with a high precision, wider measuring range and shorter sampling time.───此方法具有精度高、测量范围宽、采样时间短等特点。
3、Position prediction algorithm is introduced to compensate the position error in the sampling time, or the extra torque ripple would be produced.───采样周斯内的位置误差会引起电机额外的转矩波动，本文引入了位置预测算法。
4、Another advantage of this method over classical quantitative controllers is that it does not require a fixed sampling time.───与传统定量KongZhiQi相比，这种方法的另一个好处是它不需要采用固定采样时间。
5、Clinical assessment of IMA after ischemic exercise requires standardized protocols and sampling time points and similar study populations.───在缺血性运动之后进行的IMA临床测试需要标准化实验设计，标准化取样时间，以及相近的抽样群体。
6、So, in order to gain the necessary detail of the traffic, sampling time scale must be selected correctly.───所以，为了得到必要的流量特征细节，必须合理选择采样时间粒度。
7、Differences in sampling time and population densities had no effect on the spatial distribution pattern of F. occidentalis.───该虫的空间分布型不受种群密度的影响，并且也不随取样时间的变化而变化。
8、The relation between the filter sampling time and cutting error is fuzzed.───将滤波器的采样时间与剪切误差之间的关系模糊化。
9、Please note the free sampling time for FLOWER Brand cosmetics indicated in the classification of the newspaper.───请注意报纸广告栏上注明的“花”牌化妆品免费试用期。