be responsible for general sanitation,green covering and keeping good social order in a designated area outside the unit building是什么意思

用法例句

In this article the women football competition of the World Cup and O lympics Game were taken for the studying object, and consultation of literature and video-observing and dada statistics were applied to demonstrate how the hig h level female football teams of the world apply the tactics before shoot.

采用文献资料法、录像观测法以及数理统计等方法,以世界杯与奥运会决赛阶段的女足比赛作为研究对象,对世界高水平女足射门前的战术运用作了研究,希望能为中国女足以后的训练和比赛提供科学的依据。