查询词典 stratified sample

Since the reform and opening to the outside world in China, with the constant adjustment of ownership structure and production relation, China has experienced great changes of stratum structure and stratified differentiation, which brings complex impact on political participation mechanism, simultaneous, political participation affects the process of social stratum changes in a degree.

改革开放以来，随着所有制结构和生产关系的不断调整，我国社会阶层分化日益明显，阶层结构发生了重大的变迁。阶层结构的变化给我国的政治参与机制带来了十分复杂的影响，同时公民政治参与也在一定程度上影响阶层结构变迁的进程。

Since the reform and opening to the outside world in China, with the constant adjustment of ownership structure and production relation, China has experienced great changes of stratum structure and stratified differentiation, brings complex impact on political participation mechanism, simultaneous, political participation affects the process of social stratum changes in a degree.

改革开放以来，随着所有制结构和生产关系的不断调整，我国阶层分化日益明显，阶层结构发生了重大的变迁。阶层结构的变化给我国的参与机制带来了十分复杂的，同时公民政治参与也在一定程度上影响阶层结构变迁的进程。

ABSTRACT A new type direct-injection circularly-stratified charge combustion system of gasoline engine is developed in this dissert...

本文设计开发了一种新型汽油机燃烧系统—缸内直接喷射周向分层燃烧系统。

Currently there is an updraft gasifier on the left and a stratified downdraft on the right.

目前有上升气流气化炉在左边（ grateless设计）和分层下沉的权利。

The stratified, downdraft design has a number of advantages over the World War II gasifier designs.

分层，下沉设计了众多的优势，第二次世界大战气化炉的设计。

This new technology has several popular names, including "stratified, downdraft gasification" and open top gasification.

"这种新技术有几个受欢迎的名字，其中包括"分层，下沉气化技术"和"开放顶端气化。

An important issue in the design of the stratified, downdraft gasifier is the prevention of fuel bridging and channeling.

一个重要的问题在设计分层，下吸式气化炉是防止燃料衔接和引导。

The foremost question about the operation of the stratified, downdraft gasifier concerns char and ash removal.

首要的问题是经营层，下吸式气化炉关注烧焦和除灰。

However, GA3 promoted germination of non-stratified seeds in which the endocarp had been removed.

但是，如果预先将内果皮去除，然后用GA3处理，可有效地促进发芽。

Removing both endocarp and seed coat, however, promoted germination in a high percentage of non-stratified seeds.

然而，若将内果皮和种皮剥除，则不需要经过层积处理，就可以使种子发芽。

If I didn't care what anyone thought, I would.....

如果我不介意别人怎么看，我会。。。。

In recent decades, Chile has mandated earthquake-proofing for new structures, requiring that materials like rubber and features like counterweights be built into the architectural designs to allow buildings to bend and sway during temblors rather than break.

在最近数十年里，智利已经为兴建防震的新土建结构而对建筑材料提出要求，需要的材料类似于橡胶，而特性就象运用在建筑设计中的平衡物体，一旦应用以后，当地震发生时建筑就能弯曲摇摆。