本文所要研究的桥梁与渡口是在大的自然与社会环境下的交通的重要组成部分，受到自然与社会环境的制约。
The bridge and ferry arethe important parts of the traffic in the background of the big nature and socialenvironment, which are restricted by the nature and social environment.
着重说明了中国森林火灾带来的危害和损失，受自然条件的制约和社会环境影响所产生的特点。
The damage of Chinese forest fire, the characteristics due to the restricts of natural environment and the influence from the social condition on forest fire are emphatically discussed.
在当代中国的特殊环境下，壁画艺术不仅受到艺术本身的制约，还受到社会环境的影响，因此更具特殊性。
In contemporary China's special circumstances, mural art not only constrained by the art itself, but also by the social environment, so even more special.
在当代中国的特殊环境下，壁画艺术不仅受到艺术本身的制约，还受到社会环境的影响，因此更具特殊性。
In contemporary China's special circumstances, mural art not only constrained by the art itself, but also by the social environment, so even more special.
应用推荐