1) anti-erosion efficiency
抗风蚀效率
2) anti-wind erosion effect
抗风蚀效应
1.
In order to qualitative evaluation the center wind speed、stubble height and vegetation coverage degree s effect on conservative tillage farmland anti-wind erosion effect,the paper used the wild wind tunnel testing method to make trial research,and used gray correlation to analyze the testing results by calculating gray correlation degree.
为定量评价中心风速、留茬高度、植被盖度对保护性耕作农田抗风蚀效应的影响,采用野外风洞测试方法进行试验研究,通过计算灰色关联度对试验结果进行灰色关联分析。
4) weatherproof
[英]['weðəpru:f] [美]['wɛðɚ'pruf]
抗风蚀的
5) wind erosion rate
风蚀率
1.
1 g/m~2,the wind erosion rate of non-sand-driving wind can be.
1 g/m2时可使净风风蚀率降低90%~98%,施用量为4 g/m2且地面坡度不超过10°时可以抑制18 m/s的挟沙风而使土壤不发生风蚀,施用量为2 g/m2时可使挟沙风风蚀率降低23%~99%。
2.
The result indicated that threshold wind velocity of soil erosion is non-linearly and positively related to shrub coverage;and the wind profile is influenced remarkably by shrub coverage;wind erosion rate increases exponentially with the coverage reduction;there exists power relationship between aerodynamic roughness length and shrub coverage,as well as displacement height.
结果表明:临界侵蚀风速与灌木林盖度之间为非线性正相关关系;风速廓线受灌木林盖度的影响显著;风蚀率随灌木林盖度的减少呈指数增加;灌木林盖度、气流场特征及风蚀性质之间存在着较好的对应关系;空气动力学粗糙度及零风速平面位移高度均与灌木林盖度之间呈幂函数关系。
3.
The results reveal that the wind profile is influenced remarkably by shrub coverage and height;surface wind erosion rate increases exponentially with the coverage reduction;and shrub height has relatively small influence on erosion rate.
结果表明:风速轮廓线受灌木林覆盖度和高度的影响显著;风蚀率随灌木林覆盖度的减少呈指数增加,灌木林高度对土壤风蚀影响相对较小。
6) wind erosion rate
风蚀速率
1.
Relationships between microstructure parameters and wind erosion rate of multivariate layered soil in slope
多元层状边坡土体风蚀速率与微结构参数关系
补充资料：配置效率和生产效率
在经济学上，经济发展的动力，或者说效率的来源，分为两类：一类是配置效率，二是生产效率。所谓配置效率，是指给定资源和技术的条件下，怎么样使资源从边际生产率低的地方流向边际生产率高的地方，从而使得资源和利用更合理、社会总价值达到最大;而生产效率是指如何通过技术进步提高每一种资源的生产率，也就是把社会的生产可行性边界向外移。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条