趋势

Great Depression had complicated diversities,not only in districts and industries,but also in agrarian classes.

近年来，随着社会史研究趋势的加强，英国乡村史的研究也有了相应的进展，主要集中在农村劳动力的流动、普通人的日常生活

The trend of development of agricultural science and

国际农业科技发展的新趋势。

Secondly, the dissertation takes out the commonly rule of urban mass transit passenger liner base on the study of the typical rule of urban mass transit passenger liner all over the world. It also can be a new check method for forecast, even a aidant forcast method of urban metro transit.

2在研究国内外典型轨道交通线路客流发展趋势的基础上，得出城市轨道交通客流变化的一般规律，可为进行客流预测的交通工作者提供一种新的验核方法，甚至作为一种辅助客流预测的手段。

Level of CaM of leaves in Ginkgo and Ailanthus is sensitive to drought stress:theCaM level of Ginkgo first decreased and then increased,CaM level of Ailanthus went ondecreasing along with stress strengthen.

银杏和臭椿叶片CaM水平对干旱胁迫敏感：随着胁迫加强，银杏CaM水平出现先下降后上升的趋势，臭椿CaM水平持续下降。

Air brake system is an important component part of the train, the train speed and heavy transport development trends, its increasingly important role.

空气制动系统是列车的重要组成部分，在列车提速和重载运输的发展趋势下，其作用越来越重要。

This paper describes the development of urban rail traffic and its significance and the necessity of electric braking. Air brake system and focuses on the analysis, the choice of the braking system, the structure and principles of pneumatic braking system. Finally, the prospect of urban rail transport vehicle braking system developments.

本文阐述了城市轨道交通及其发展的意义，分析了电气制动及其研究的必要性，并着重对空气制动系统进行了分析，分析了制动系统的选择、气动制动系统的结构及原理，最后展望了我国城市轨道交通车辆制动系统的发展趋势。

A developmental process of air filter and it's wide applications in various fields was briefly introduced in this paper,and it's future market trends was predicted.

简要介绍了空气过滤器的发展状况及其在各个领域的广泛应用，并对其市场趋势和前景进行了展望。

Therefore, outlet air temperature tends to decrease as air mass flow rate increases.

因此，流出气流的温度呈现出随气流量的增加而降低的趋势。

This paper use for reference the free trade zone development theory both at home and abroad. conjoint to the actual situation of Haikou Free Trade Zone and Macun Port. It use the SWOT theory to analyze the strengths of port's conditions, city's environment, economy potency, city industry basic, opening situation, Boao Asian Forum platform, and air-line right opening. It analyzed the weakness of the un-perfect policy and code, the promoting level of using foreign capital, the mini scale of outer economy, the small size of economy gross, the un-powerful competition, the outer amending invest surroundings, rigidity of foreign exchange control. It also analyzed the opportunities of the incorporate trend reinforce of global economy, ocean economy fast rising, transition of bonded zone to free trade zone. The article point out the threats of Bonded Port and Zone's challenge, the challenge of Guangxi Zhuang Nation Autonomy Zone, bonded zone policy weakening after China joined the WTO, the menace of China-ASEAN Free Trade Area. This paper drew a feasible development strategic for Haikou Free Trade Zone move to Macun Port. It define strategic target emphases and processes.

本文回顾过去14年海口保税区发展的历程，总结成功经验和不足之处，运用国内外保税区发展理论，并结合海口保税区和马村港的实际情况，利用SWOT分析法，分析了海口保税区西移马村港后存在的口岸条件、城市环境、经济潜力、城市工业基础较好、对外开放格局基本形成、博鳌亚洲论坛平台和航权开放等优势，也分析了有关政策法规不健全、外资利用水平有待提高、外向型经济规模较小、经济总量较小、综合竞争力不强、外部投资环境有待改善和外汇管制僵化等劣势，海口保税区也面临着全球经济一体化趋势加强、海洋经济迅速兴起和保税区向自由贸易区转型的良好机遇，认清来自保税港区的挑战和广西的挑战、入世后保税区政策优势削弱和来自中国——东盟自由贸易区的挑战。

Since 1980, IR stealth technology has been widely applied in the new weapons of foreign army, navy and airforce.

首先分析了红外隐身原理，然后研究了红外隐身技术的应用和发展趋势。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！