stratified sampling
基本解释
- [统计] 分层抽样，[统计] 分层取样；成层抽样
英汉例句
- Methods:The stratified sampling and cluster random sampling methods are used in this survey.
方法：本研究采用分层随机抽样方法和整群随机抽样方法。 - The survey was completed on the basis of combining stratified sampling and random sampling, collecting 1005 valid samples in total.
调查在分层逐级抽样法与随机抽样法相结合的抽样基础完成，共收集有效样本1005个。 - Considering the methods employed on site and the implement used for drawing the samples, normally quantity interval, time interval or stratified sampling method shall be used.
应根据现场作业方式、取样设施配备情况选定，一般采用定量取样、定时取样或分层取样等方式。
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双语例句
词组短语
- disproportionate stratified random sampling 异比分层随机抽样
- proportional stratified random sampling 分层随机抽样
- stratified d sampling 分层抽样品
- stratified random sampling method [统计]分层随机抽样法
- stratified cluster sampling 分层整群抽样;采分层集束抽样;抽样法;整群分层抽样
短语
专业释义
- 分层抽样
Seen from the structure principle, stratified sampling method and optimized sampling method are rational and effective. In additional, constructing the optimal index investment portfolio is the most essential link in the two index investment methods.
从其构造原理中可以看出,分层抽样法和优化选样法是比较合理有效的构造方法,此外,指数投资组合的构建及其优化问题是这两种指数化构造方法中最关键的环节。计算机科学技术
- 分层抽样
Furthermore, the stratified sampling strategy can also be successfully applied to the training set expansion during the bootstrapping process.5.
同时,将分层抽样理论应用于自举学习的训练集扩展,也能在一定程度上提高了关系抽取的性能。测绘科学技术
- 成层随机采样
- 分层采样
- 分层抽样
- 分层随机抽样
- 分组取样
- 分层采样
- 统计处理
- 分层取样