The stratification technique gives us the minimum age of an object, which isn't necessarilly its true age.

分层技术给我们提供一个物体的最小年龄，但不一定是它的真实年龄。

Many seeds require a period of stratification, exposure to low temperatures for some minimum period, before they will germinate.

许多种子在发芽前需要一段时间来分层，并在低温下储存一段时间。

The reason why many seeds require a period of stratification is to guarantee that the seeds grow after and not before unfavorable weather.

许多种子需要一段时间分层的原因是为了保证种子在恶劣的天气来临之后而不是之前生长。

She was concerned about the stratification of American society.

她以前很关注美国社会的阶层分化。

The first step management is to make risk stratification.

处理的第一步是进行危险度分层。

Stratification in polar water normally is weak and transient.

极地水域的成层性是微弱而暂时的。

Stratification in polar waters normally is weak and transient.

极地水域的成层性是微弱而暂时的。

The stratification of beach deposits has been studied particularly.

对海滩沉积物的层理进行了着重研究。

There began to be considerable social stratification within this people.

而这个民族开始形成一个重要的社会阶层。

This is an important concept, which moves us toward risk stratification.

这是一个重要的概念，要求我们进行风险分层。

And do they have potential to be involved in the risk stratification system?

这些生物标志物是否有可能用于危险分层系统呢？

The first part analyzes reasons and theory of stratification in our country.

第一部分，分析我国阶层分化产生的原因。

Tille Hoyuk 3.1. The Iron Age: Introduction, Stratification and Architecture.

蒂耶赫于克3.1。铁器时代：层化与建筑导论。

Social value of the aged has the character with practicalness and stratification.

老年人的社会价值具有实践性和层次性的特征。

In these patients, triage based on traditional risk stratification is ineffective.

基于传统风险分层进行分类对这些患者是无效的。

Some stratification exists in the spray produced by any liquid propellant injector.

由任何液体推进剂喷注器所产生的喷雾都存在某些成层现象。

China is now on the way of rapid urbanization, social stratification and social transition.

中国处在城市化的快速推进、社会分层的迅速变迁与社会全面转型的重要时期。

No matter the purpose of the business, stratification typically exists and must be enforced.

不管在哪个行业中，一般都会存在和执行等级结构。

The return on education has risen in recent decades, producing more-severe income stratification.

在近几十年里，教育的回报在提高，也产生了更加严重的收入分层现象。

The main focus is on diagnosis and risk stratification, treatment and management strategies.

主要焦点是关于诊断和风险的形成，治疗和处理策略。

Hygiene investigation was carried out in 156 classrooms of 36 schools with stratification sampling.

采用分层抽样方法，对36所学校、156间教室进行卫生学调查。

Conclusions - MPS provides effective risk stratification across the entire spectrum of renal function.

结论——MPS为整个肾功能谱提供了有效的危险分层。

Small floating charge current, less calorific power battery, the electrolyte acid stratification does not occur.

浮充电流小，电池发热量少，电解液不发生酸分层。

Therefore, the study of social stratification in the outskirts villages can be of academic and practical significance.

因此研究城郊村的社会成员分层，具有特殊的学术价值和实践意义。

He or she should be familiar with different registers, styles of speaking and social stratification of both languages.

译员还应熟悉两种语言的不同纪录、言谈风格和社会阶层。

The plasma PTX3 level provides important prognostic information for the risk stratification of patients with heart failure.

血清ptx3水平为心力衰竭患者危险分层提供了重要的预后信息。

And physical differences between regions, such as currents and the stratification of the water column, will also complicate the response of food webs.

在不同的地区，水的物理性质(如：水体的流动与分层)也会有所差异，这也将使得鱼类对食物网的反应复杂化。