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- The correlation between water and soil conservation effect coefficient and the primary vegetation potentiality was positive. 在北方地区保土作用系数有可能成为评价区域生态功能的综合指标。
- The correlation between water and soil conservation effect coefficient and the difference between precipitation and evapotranspiration was negative. 保土作用系数与降水蒸发差呈负相关;与植物初级生产力呈正相关;其相关性很高;可信度均超过0.;01水平。
- water and soil conservation effect 水土保持效能
- Water and soil conservation effect for different types of terraces on red-soil slope land 红壤坡地不同类型梯田的水土保持效应
- Study on Soil Erosion Characteristics and Soil Conservation Effect on Embankment Slope of Expressway 高速公路路堤边坡土壤侵蚀特征与保土效益研究
- Analysis of Introduce Tests and Soil Conservation Effects of Water-conservation Grass for the Side Slope of Road Bed in the Projects of Road Development and Construction 公路开发建设项目路基边坡水土保持型草种引种试验及保土效果研究
- Soil conservation is intended to kurb erosion. 土壤保持旨在控制水土流失。
- This is known as soil conservation. 这就是所谓的土壤保护。
- Economical woodlands have a positive effect on soil conservation in red soil. 经济林地和草地则起到了很好的水土保持措施作用。
- soil conservation effects 水保效益
- That's what people call water and soil conservation. 这就是人们所说的水土保持。
- They were engaged in the study of soil conservation. 他们在从事土壤保持的研究。
- One important form of soil conservation is the use of windbreaks. 土壤保护最重要的一种方式就是使用防风林。
- Effect of soil conservation forest depends on land surface cover of dead leave and soil condition. 水土保持林的效益主要取决于林地枯落物和林地土壤状况。
- We're going to carry out soil conservation work in a more planned way. 我们准备更有计划地进行水土保持工作。
- Soil conservation work has been greatly speeded since the conference. 会议召开之后,水土保持工作大大加快了。
- One important fall form of soil conservation is the used of windbreaks. 一种保护土地很重要的方式是利用防护林。
- This paper introduces the hydraulic system of emulsion pump using towstep pressure control,analyses its energy conservation effect. 介绍了乳化液泵采用二级压力控制的液压系统及节能效果分析。
- Soil conservation can greatly influence runoff by reducing sediment into river. 摘要水土保持措施是减少河流泥沙的主要措施。
- Since heat preservation system adopt the exposed wall outside in our country north area, energy conservation effect is always the problem that industry cares for. 摘要外墙保温系统在我国北方严寒地区采用以来,节能效果到底如何,一直是业界十分关心的问题。