您要查找的是不是：
- This would be an example of a stratified sample. 这就是一个典型抽样的例子。
- Feudal society was rigidly stratified. 封建社会等级森严。
- Methods Stratified chester random sampling. 方法采用分层整群随机抽样的调查方法。
- Thickly cornified stratified squamous epithelium. 掌皮（厚的角化复层扁平上皮）。
- Stratified structures led by chieftains. 有首领的分级形式；
- Only dielectric stratified media will be treated in this section. 这一节将只讨论介质分层媒质。
- In general, all free-surface liquid motions are stratified flows. 从这个意义上来说，一切自由表面液体运动也都是分层流。
- The stratified,privileged class composed of these appointees. 特权阶级由这些被任命者组成的已形成等级的特权阶级
- The stratified, privileged class composed of these appointees. 特权阶级由这些被任命者组成的已形成等级的特权阶级
- DESIGN:A stratified randomized cluster sampling survey. 设计:分层随机整群抽样调查。
- The measured depth spectrum and stratified images are presented. 给出了实测深度谱和分层成像结果。
- DESIGN:A stratified randomised cluster-sampling investigation. 设计:分层随机整群抽样调查。
- American society is becoming increasingly stratified. 美国社会越来越分层次了。
- Kertinocytes are the cells of stratified squamous epithelia. 角质层是复扁平上皮细胞。
- Stratified squamous epithelium with beginning surface cornification. 角化的复层扁平上皮。
- When the winds are light, the air in a valley becomes stagnant and stratified. 当微风时，谷地的空气就会停滞和层化。
- A portion of stratified rock separated from a main formation by erosion. 外露层由于受腐蚀而从主岩层脱落的成层岩石的一部分
- Hypolimnion The lower noncirculating water in a thermally stratified lake. 下层滞水层，均温层：在热层结湖中位置较低的不循环水层。
- DESIGN: Clustering stratified random sampling, cross-sectional survey. 设计:整群分层随机抽样,横断面调查。
- Hindu) a hereditary social class stratified according to ritual purity. （印度教的）根据宗教仪式的纯度分层的世袭阶级。
