topic 1 meaning in English

电台 - 国际在线

In the topic 1 , utilizing the natural lysimeters and drainage region in wudaogou station , based on expriment and imitation methods , frist the hydrology effect of drainage has been analyzed , and then the index of water logged farm drainage and suitable ground water level have been provided . on the theory of darcy rule and farm hydrodynamics , the standard and pattern and empirical formula of farm drainage system have been presented as well , and provide scientifically foundation for drainage planning
在农田排水技术研究中，利用五道沟实验站地中蒸渗仪和排水试验区，采用试验法和动态模拟法，分析了排水工程的水文效应，提出了农田排渍标准和作物适宜的地下水位埋深，采用达西定律和农田水动力学原理，提出了农田排水系统的规格、布置方式及经验公式，为排水工程规划提供依据。