Whether China's spending will be enough to prevent the rapid rise in car use there is unknown.

The past fifty years has been characterized by the explosive growth in urban population and car use.

过去50年是以城市人口和汽车使用的爆发性增长为特征的。

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When the problem gets more serious, world governments will have to start limiting car use.

当问题更严重时，全世界的政府都必须开始限制车辆的使用。

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As economies have surged, so has car use.

随着经济的快速增长，汽车也将普及。

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Rail brakes for trapped car use at home and abroad are introduced.

介绍了国内外卡轨车使用的轨道制动器现状。

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A Novel Track Brake for Trapped Rail Car Use

一种新型卡轨车用轨道制动器

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Analysis of Salt-tolerant Characteristics and Primary Selection of Its Salt-tolerant Variants from Tube Plants of Triploid Populus Tomentosa

毛白杨试管苗耐盐性分析及耐盐植株初选

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The Flora of Mangrove Forest of Hainan Island and Salt-tolerant Biology of Mangrove Plants

海南红树林植物区系与耐盐生物学研究

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Salt tolerance of plant is involved in a complex series of physiological and biochemical reactions or processes, and it is often the result of interactions among multiple genes. Until now what we have found may simply reflect some aspects of the whole salt-tolerant mechanisms of plants.

植物的耐盐性涉及一系列复杂的生理生化反应或过程，往往是多基因相互作用的结果，而已有的发现可能只是反映了整个耐盐机制中的某一个方面。

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For a long time, considerable domestic and international researches have been made on improvement and utilization of salinized land. Transgenic technology has been used to separate and clone important salt-tolerant genes in plants and breed genetically-modified salt-tolerant crops.

长期以来，国内外广泛开展了对盐渍土的改良和利用的研究，人们运用基因手段，从植物中分离克隆了可耐盐的相关重要基因，培植转基因耐盐作物。

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At present, there are no uniformly physiological indexes to the salt-tolerant character of plants. If find the rule between the apparent character and physiology of plants, this will greatly promote the development of the salt-tolerant study of plants.

目前对植物耐盐性研究尚无统一的生理指标，如能找到植物耐盐表观性状和生理规律，将极大地推动植物耐盐性研究的发展。

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The study of the transgenic Arabidopsis germination rate, root length, salt-tolerant overall plants showed that the gene in a certain level enhanced the transgenic Arabidopsis salt tolerance.

通过对转基因拟南芥的萌发率、根长、整体植株的耐盐性的功能研究，显示该基因在一定水平上提高了转基因拟南芥的耐盐性。

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First report on Breeding of salt-tolerant rice plants

耐盐水稻品种选育初报

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Enhancing the ability of soybean to survive salt condition is very important to improve the yield of soybean and the utility of the salinity soil. Much attention is paid to raising salt-tolerant plants, studying salt-tolerance mechanism, locating and isolating salt-tolerance genes.

因此提高作物耐盐性，培育耐盐品种，耐盐机理的研究及耐盐基因的定位分离受到人们越来越多的关注。

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Different amelioration measures on coastal saline soil have different effects. The effects of comprehensive amelioration measures are superior to single measure. The effects of carrying on land cover on the basis of digging deep groove combined with planting salt-tolerant plants are the best.

不同改良措施对滩涂土壤的改良效果不同，综合措施的改良效果优于单一措施。

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At present, by studying the salt tolerance mechanism of plants, using biotechnology methods to clone salt tolerance gene form the salt-tolerant plants and cultivating salt tolerance of the new crop varieties, can effectively solve the negative influence of soil salinization.

目前，通过研究植物的耐盐机制，利用生物技术方法克隆耐盐植物的耐盐基因，培育抗盐作物品种，可以有效地解决土壤盐碱化带来的不利影响。

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The major conclusions are as follows: 1. Improvement measures such as ditching, making ridge, planting salt-tolerant plants and land cover has a great promotion to improvement and curing of coastal saline soil.

主要研究结果如下：1.开沟、做垄、种植耐盐植物、覆被等多种改良措施对滩涂盐渍土壤的改良熟化均有促进作用。

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Climatie condition of runway area in Xining airport was reported ang the soil, vegetation and grow of drought-resistant and salt-tolerant plants were discussed.

简要报道了曹家堡机场飞行区的气候特点，讨论了土壤、植被和耐旱耐盐碱植物的种植结果。

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Medium salt-tolerant plants, and is one of main vegetable in horticulture. It will be of great importance to improve its salt-tolerant through genetic engineering.

番茄是耐盐性中等的蔬菜，也是设施栽培的主要蔬菜品种，通过基因工程提高番茄的耐盐性不仅具有重要的现实意义，也具有实际可行性。

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If growing the salt-tolerant plants in salt-alkali land, this will bring the economic benefit and increased the covered content in salt-alkali land.

在盐碱地上种植耐盐植物，能产生一定的经济效益，提高盐碱地的植被覆盖率。

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Consequently, study on the mechanisms of salt-tolerance in plants and breeding of salt-tolerant plants has become a key issue in plant biology nowadays.

植物耐盐机理和耐盐植物的选育研究已成为当今研究的热点。

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