【Abstract】In the nineteenth century, unprecedentedly Britain had finished the Industrial Revolution and achieved a rap......

This paper focuses on the economic development and urban morphology as well as its impact on the transportation system d......

现在完成进行时由have/has been加现在分词构成(第三人称单数用has，其他用have)，主要表示现在以前这一段时间里一直在进行的一个动作......

AIM: To investigate the persistence of side population (SP) cells in pancreatic cancer and their role and mechanism in t......

Despite the importance of quantitative disease resistance during a plant’s life, little is known about the molecular ba......

对"不a不b"结构进行了否定意义的解释及句法结构的分析,指出"不a不b"句式流行的原因与中国人特有的辩证思维有关.......

目的探讨结直肠癌患者出院准备度情况,并分析其影响因素,以期为提高结直肠癌患者出院准备度提供现实依据。方法 2016年1月至2018年......

办学特色是高等院校在这个激烈竞争的时代求得生存和发展的重要因素。国外著名大学办学特色的形成受各种因素影响。其中办学理念是......

Urban air pollution is a prominent problem related to the urban development in China, especially in the densely populate......