1) critical groundwater level
临界地下水位
2) dynamic critical depth of groundwater table
动态临界地下水位
3) critical water flowrate
临界地下水流速
1.
,the critical declined magnitude of water level crHD,critical water flowrate vcr and critical discharge Qcr are formulated.
并推导出土洞形成的起始条件:临界水位降幅、临界地下水流速以及临界抽水涌水量的表达式。
4) critical underground water table
地下水临界埋深
1.
An optimal irrigation and drainage non-linear programming model is proposed with the concepts of soil salinity threshold and critical underground water table, aimed at preventing soil salinization in irrigation district, furthermore, combined with the real conditions of Xinjiang Kongliu Unity irrigation district to approach the model.
将作物临界土壤含盐量和地下水临界埋深等概念应用于防治灌区土壤盐碱化最优规划，提出了非线性规划最优灌排模型。
5) groundwater critical depth
地下水临界深度
1.
Getermination of groundwater critical depth in Da'an irrigation canals area for Songnen plain
松嫩平原大安灌区渠系地下水临界深度的确定
2.
The effects of climatic factor,groundwater mineralization rate,soil texture and structure,farmland irrigaiton and drainage upon groundwater critical depth were studied.
探讨了气象因素、地下水矿化度、土壤质地及结构、农田灌排条件等对地下水临界深度的影响。
6) critical water-level
临界水位
1.
Deformation mechanism of over-consolidation soil and land subsidence controlled by critical water-level;
超固结土层垂向形变机理及临界水位控沉分析——以西安南郊钻孔土样研究为例
补充资料：地下水水位观测(见水位观测)
地下水水位观测(见水位观测)
d ixiashui shuiwei guanee地下水水位观测见水位观测。
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