1、Method Using stratified random sampling method.
方法采用分層隨機(jī)抽樣方法。

2、Methods: Stratified random cluster sampling method was used to determine the survey sample.
方法：以分層隨機(jī)整群抽樣的方法，確定調(diào)查樣本。

3、Large-scale sample surveys are always undertaken with stratified multi-stage sampling.
大型抽樣調(diào)查總是采用分層多階段抽樣。

4、Stratified squamous epithelium with beginning surface cornification.
角化的復(fù)層扁平上皮。

5、Methods. The survey was conducted according to multi-stage stratified cluster sampling method.
方法：分階段分層整群隨機(jī)抽樣調(diào)查。

6、DESIGN: Cluster sampling and stratified analysis.
設(shè)計(jì)：整群抽樣，分層分析。

7、A portion of stratified rock separated from a main formation by erosion.
外露層由于受腐蝕而從主巖層脫落的成層巖石的一部分

8、RESEARCH METHODThe stratified multi-stage cluster random sampling method was used in the survey.
研究方法本研究采用分層整群隨機(jī)抽樣方法進(jìn)行抽樣。

9、Histologically, dentigerous cysts are lined by stratified squamous nonkeratinizing epithelium.
組織學(xué)上含齒囊腫為多層鱗狀未角化上皮細(xì)胞所覆蓋。

10、stratified areas of the distribution.
分布狀態(tài)成層次性的區(qū)域。

11、Patients were stratified according to quartiles of WBC determined on admission.
根據(jù)入院時(shí)的白細(xì)胞計(jì)數(shù)按照四分位法將患者分成四組。

12、Stratified titling of sci tech papers is an important aspect in editing.
科技論文層次標(biāo)題的編輯加工是整個(gè)編輯加工過程中一項(xiàng)重要內(nèi)容。

13、DESIGN: a stratified random cluster sampling investigation.
設(shè)計(jì)：分層整群抽樣調(diào)查。

14、Ant societies are rigidly stratified and usually ruled by queens.
螞蟻社會(huì)是等級(jí)森嚴(yán)的，且通常由母蟻王統(tǒng)治。

15、Finally the prospect of stratified scavenging is discussed.
最后討論了分層掃氣的發(fā)展前景。

16、Methods Questionnaire and multistage stratified cluster sampling method were used for the survey.
方法進(jìn)行問卷調(diào)查；采用多階段整群分層抽樣方法。

17、A portion of stratified rock separated from a main formation by erosion
外露層由于受腐蝕而從主巖層脫落的成層巖石的一部分

18、Methods: The stratified sampling and cluster random sampling methods are used in this survey.
方法：本研究采用分層隨機(jī)抽樣方法和整群隨機(jī)抽樣方法。

19、Public statistics are both socioeconomic and environmental, and stratified into infinity.
公共統(tǒng)計(jì)涉及社會(huì)，經(jīng)濟(jì)及環(huán)境因素，并無限分層。

20、Methods Stratified random group sampling was adopted in survey.
方法采用多級(jí)隨機(jī)抽樣法。

21、Analyses were stratified according to estrogen dose and progestogen type.
又根據(jù)雌激素劑量和孕激素類型對(duì)分析進(jìn)行了分層。

22、Tubal metaplasia. You look for cilia and stratified but bland nuclei.
輸卵管上皮化生：尋找纖毛、復(fù)層化但核溫和。

23、Yet India remains a rigidly stratified society in which birth is often synonymous with destiny.
然而印度社會(huì)等級(jí)制度森嚴(yán)，出生往往就等同命運(yùn)。

24、METHODS Questionnaire survey is stratified and random sampling method in the form.
方法采用分層隨機(jī)抽樣的方法以問卷的形式進(jìn)行調(diào)查。

25、PROPAGATION OF FAST MHD WAVES IN STRATIFIED MEDIUM
分層介質(zhì)中快磁聲波的傳播

26、Application of Stratified Coal Feeding Equipment to Chain Boiler
分層式給煤裝置在鏈條鍋爐上的應(yīng)用

27、At the 38th day of incubation, dorsal gland vesicles with stratified epithelium were evident.
第38天，背腺腺泡明顯，腺上皮為復(fù)層上皮；

28、Methods With stratified sampling and cluster sampling, we investigate 487 families in poverty.
方法采用分層整群抽樣方法調(diào)查487戶貧困家庭。

29、Stratified sampling can reduce the sampling error associated with simple random samples.
分層抽樣可以減少由簡單隨機(jī)抽樣造成的抽樣誤差。

30、Multistage stratified cluster sampling method was used for the sampling.
采用多階段整群分層抽樣方法。