以往水土保持水文水资源效应研究所采取的方法均为水文法和水保法。
Soil and water conservation benefits method and hydrological method are adopted in the previous studies on effect of soil and water conservation on hydrological and water resources.
水文法和水保法是分析计算流域治理减水减沙效益常用的两种方法，但都存在一些问题。
Hydrologic method and soil conservation method are two usual methods for calculating sediment and runoff reduction benefit brought by watershed management, but both have some problems.
设计了真空吸收法实验装置，利用该装置测定的保水率与传统滤纸法进行了对比。
The influencing factors of water-retention rate are analyzed and testing parameters are determined.
采用超声波动态渗透、AA-GWR保水和表面吸收重量法研究了预涂纸与水及涂料间的相互作用。
The interactions of water-precoated paper and coating-precoated paper were analyzed by using three methods, which were ultrasound dynamic penetration, AA-GWR water retention and Cobb test.
采用超声波动态渗透、AA-GWR保水和表面吸收重量法研究了预涂纸与水及涂料间的相互作用。
The interactions of water-precoated paper and coating-precoated paper were analyzed by using three methods, which were ultrasound dynamic penetration, AA-GWR water retention and Cobb test.
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