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【Abstract】This paper introduces the origin and development of the online car hiring industry. By analysing the propert......
Since ancient times, the Chinese government has always attached a great deal of importance to food security . However, t......
To improve the braking safety of automobiles, the author studied the effect of differential brake on the stabilities. To......
Catalysis has an important role to play in environment remediation and the generation of clean energy.Due to the rapid d......
Rattan-related products from China are popular and well known in international market, but China is facing shortage of ......
The shortage of forest tending funds in China has caused the retarded thinning for those forests that need urgently the ......
China is a country relatively poor in water resource, and drought has been one of the country’s major natural disasters......
1. Problematique At present, the shortage of farmland re-sources constitutes a severe threat to sus-tainable social and ......
Soil loss, water shortage, flooding, sedimentation and water pollution are the major problems affecting the sustainable ......
通过开发利用新能源,2011年,济南将实现替代常规能源130万吨标准煤;新能源占全社会能源消费的比重提高到5%以上。建设太阳能与建筑......
Demographic transition has occurred more rapidly in China than in most developed countries. As the population ages, the ......
目的 寻找药品供应过程中缺货的规律,更好地保障临床药品供应.方法 通过汇总我院15周的药品缺货信息,提取药房缺货频次高的药品......
本文对近期我国奶源供求从紧缺急转为过剩的情况进行了分析,认为当前奶源过剩是阶段性和相对性的.本文提出建立紧密利益联结机制、......
通过对新疆高技能工人短缺现状的阐述,对短缺的成因进行分析,提出完善技能人才培养体制、加大职业教育投入以及企业培训力度,形成......
