分层的

Finally to Stratified Sampling improvement of technology put forward some views.

最后对分层抽样技术的改进提出了一些看法。

Methods With stratified clustered sampling method, 375 college students were chosen to complete the questionnaire.

采用分层随机抽样方法，在杭州市的大学中抽取大学生375名进行问卷调查。

Methods A self-developed questionnaire was used to investigate 2600 old persons selected in 26 provinces by stratified sampling.

方法在26省按照城乡和男女分层抽样，对2600名老年人进行问卷调查，并对有效的2414份问卷进行数据统计学处理。

In this paper, 236 SMEs of different types of ownership and from different industries are investigated using a stratified sampling method.

本文采用分层抽样方法，对236家不同所有制、具有行业代表性的中小企业展开了问卷调查。

Stratified combustion technology is a new type of advanced energy-saving combustion technology.

分层燃烧技术是一项新型的先进节能燃烧技术。

The organization way for stratified teaching in our institute is still in the stage of exploration.

分层次教学的组织方式在我院处于探索阶段。

So the stratified EGR is taken as a important means to reduce the emission of NOx.

因而，分层EGR是目前进一步降低NOx排放的重要发展方向。

In so doing , and over time , one will cease to stratify human civilization founded upon preoccupation .

这样随时间，一个人将会停止将建立在职业之上的人类文明分层。

Stratify teaching to be one to plant in lower individual-rization collective teaching form teaching tactics.

分层教学是一种在集体教学形式下的个别化教学策略。

Objective To investigate the value of pregnancy-associated plasma protein-A level for the risk stratify and prognosis of the metabolic syndrome patients.

目的 探讨血清妊娠相关蛋白A水平对代谢综合征患者危险分层和预后判断的价值。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。