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- allocation ratio of check dam 淤地坝配置比例
- When AR of check dam in Sanchuanhe Basin is more than 4%, SRR may reach more than 75%. 三川河流域当淤地坝配置占比达到4%25左右时，减沙占比可以达到75%25左右；
- Analyzing the relation between AR and SRR of check dam, SRR can reach 40% and the efficiency of reducing sediment presents prominent if AR of check dam in Huangfuchuan Basin is more than 2%. 从各支流淤地坝配置占比与减沙占比的关系看，皇甫川流域只要淤地坝配置占比达到2%25以上，减沙占比即可达到40%25，减沙效益明显；
- The results indicate that dry matter increase allocation ratios of leaf and sheathe present fluctuations,and stem curve,and spike line. 茎呈弧线状变化;穗呈线性增长。
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- Study on Depositing Process of Check Dam on the Loess Plateau 黄土高原典型淤地坝淤积机理研究
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- The ratio of men to women was two to one. 男女的比例是二比一。
- Thinking on Construction of Check Dam for Building Farmland in Shanxi Province 关于山西省淤地坝建设的思考
- Designed flood standard for the construction of check dam in loess area 黄土地区修建淤地坝的设计洪水标准
- The strike is the ultima ratio of Trade Unionism. 罢工是工联主义的最后手段。
- The ratios of 1 to 5 and 20 to 100 are the same. 1与5之比和20与100之比相同。
- Correct sizing of check valves is important. 正确选择止回阀的通径很重要。
- This is the prime ratio of the nascent increments. 这是最初增量的最初比。
- Exploitation of CAD System for Design of Check Dams 淤地坝CAD系统的开发应用
- Compression ratio of the server input data stream. 服务器输入数据流的压缩比率。
- Silting land and sediment blocking benefit of check dam in hilly and gully region on the Loess Plateau 黄土高原丘陵沟壑区淤地坝的淤地拦沙效益分析
- Compression ratio of the server output data stream. 服务器输出数据流的压缩比率。
- Approach to the Sediments Prediction Model of Check Dam in Loess Hilly-gully Area 黄土丘陵沟壑区小流域治沟骨干工程淤积量预报模型探讨
