1) leveling area
平土区
1.
This paper made a systematic researches on the determination on the level of soil andwater loss in leveling area of development and construction(not being adopted the measurement of soil and water conservation).
对开发建设平土区(未采取水保措施)的水土流失等级划分及其侵蚀模数确定进行了较为系统的研究,其等级划分标准与传统的农林水土保持截然不同。
2) plain-sand areas
平原沙土区
1.
There are plain-sand areas about 2×10~4 km~2 in Jiangsu.
江苏省是一个以平原地区为主的省份,有2万多km2平原沙土区。
3) fine soil plain area
细土平原区
1.
On the basis of analyzing the hydrogeological conditions of fine soil plain area in Xinjiang, the process of migration and accumulation of the salt in phreatic water under different drainage circumstances is expounded, thus the effective measures of shaft drainage and irrigation to improve the salinization of soil and prevent soil resalinization are propose
该文通过对新疆细土平原区水文地质条件的分析 ,论述了潜水在不同排泄条件下水中盐分的运移和积聚的过程 ,从而提出竖井排灌是改良土壤盐渍化、防止土壤返盐的有效措
6) land and water resources balance within irrigated area
灌区水土资源平衡
补充资料:平土
1.指平原之地。 2.平整土地。
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