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- There are many applications for random sampling. 随机抽样有许多应用场合。
- Methods Stratified chester random sampling. 方法采用分层整群随机抽样的调查方法。
- Analysis of Two Times Random Sample Examination Results of the National Personal Dose Monitoring Technology 两次参加全国个人剂量监测技术盲样考核结果分析
- Conduct first article inspection and random sampling inspection. 进行首件检验和抽查检验。
- We did the random sampling of five pieces per batch of 100. 我们在每批一百件的货品中取五件随机抽样。
- CLAP preprocesses some of the data extracted from the database by random sampling technique, which decreases the running time greatly. 该算法采用随机抽样技术,从数据库中抽取一部分数据进行聚类的预处理过程,这样大大降低了运行时间。
- The wavelet transform has the advantage of probing the multi time scale of hydrology and water resources time series. 小波变换法分析水文水资源系统多时间尺度是优越的。
- Method The sampling of individuals was done by the lamination random sampling. 方法采用分层随机抽样法进行人群抽样,用改良加藤氏法粪检华支睾吸虫虫卵。
- DESIGN: Clustering stratified random sampling, cross-sectional survey. 设计:整群分层随机抽样,横断面调查。
- According to the interval of data update in mobile database, a method about invalidation reports based on multi time window is proposed. 根据移动数据库中数据更新的时间间隔,提出了基于多时间窗口的失效报告技术。
- It is found that as to the saddle-type curved surface, random sampling can get the profile of surface with minimal errors, and has no such trouble as using HSS or LHS, which can reduce time and cost. 由文献中目前对于曲面的量测的研究,大都只限于圆、球或锥体物件的探讨。而本文则针对同时具有凹凸规律特徵的马鞍型抛物曲面量测做探讨,将曲面量测技术再往前跨出一步。
- Are the sampling arrangements based on random sampling or other accepted control methods? 样本抽查是否以随机抽查或其他认可的方法进行?
- But for a multi time scale power system, existence and fundamental characteristics of fast manifolds must also be studied in order to obtain the model reduction condition of fixing slow dynamics. 但对于多时间尺度的电力系统模型降阶问题而言,还必须研究快流形的存在性及其基本特征,以给出固定系统慢动态的降阶条件。
- Methods A random sampling inspection could be combined with special-purpose rectification. 方法突击抽样检查和专项整顿相结合,抽样比对。
- The method uses small random samples and the limits of a hyperbola. 该方法采用了小范围随机抽样和双曲线的极限。
- CONCLUSION : The calculation formulas of multiple-stratifying and clustering random sampling are theoretically set up. 结论 : 推导并建立多重分层、整群随机抽样误差的计算公式。
- Method 1228 women in 5 counties were surveyed by stratified cluster random sampling in the rural area of Yichang city. 方法:采用分层多阶段整群抽样方法,对该地区5县1228例农村育龄妇女进行问卷调查。
- Trigger and Time Inter-plug Circuit is an important module in the random sample Digital Storage Oscillope (DSO). 触发与时间内插电路模块是随机取样数字存储示波器中的重要电路模块。
- Based on algorithm random sampling feature,it may parataxis calculate for network. 基于该算法中的样本的随机特性,可充分利用网络环境进行并行计算。
- The interviews were given to a random sample of students. 随机抽选出部份学生进行了采访。