river net是什么意思

用法例句

Based on consideration of the actual terrain and soil physical properties,we developed a numerical calculation model by using kinematic wave theory and the hypothetical channel network for simulating the process of "Rainfall-Runoff" of a distributed-type basin.

本研究以黄土高原北部的六道沟流域为流域模型,在确定试验流域地形和土壤物理性质的基础上,利用运动波理论和拟河道网开发分布型流域的"降雨-径流"过程的数值计算方法,对观测流量数值模拟结果的分析表明,该计算方法适用于北部黄土高原的实际,研究结论为该区域的地表水资源的推求提供了一种有效的数值计算方法。

Discuss on the research situation of estimating methods of eco-environmental water requirements in river course and its modification;

河道内生态环境需水量计算方法的研究现状及其改进探讨

Discussions on river course ecology and rehabilitation in Shandong, Hai River Basin;

山东省海河流域河道生态问题及治理探析

A theoretical discussion of ecological and environmental water requirements of river course;

河道生态及环境需水理论探讨

Computing method of divisional ecological and environmental water requirement for river channel and its application to the Yellow River Basin;

河道生态环境分区需水量的计算方法与实例分析

Study on the situation of sand-gravel extraction in the river channel;

采砂对河道的影响分析及治理措施研究

Preliminary study on the characteristics of scouring and sedimentation of river channels in recent decades in the Zhujiang Delta;

珠江三角洲河道近期冲淤特征初步分析

Auto-regulating function of channel of Lower Weihe River since 1960;

1960年以来渭河下游河道的自动调整作用

Study on channel friction parameter inversion based on Kalman filter with unknown parameter vector;

基于带参数的卡尔曼滤波的河道糙率动态反演研究

The application of frequency-shared interpretation tech-nique to channel sandbody description in upper Ng of Zhuang 106 area.;

分频解释技术在桩106地区馆上段河道砂体描述中的应用

Effective Methods to Realize Long-Time Management of City-river;

实现城市河道长效管理的有效途径

Mathematics analyse and generalization on storage volume and scour and silting amount by cross-section surveying means in rivers and reservoirs;

布设断面测算河道水库容积及冲淤量的数学解析与概化

Research on a GIS-based automatic generation algorithm of body-fitted meshes adaptive to river terrain;

基于GIS的河道贴体网格自动生成算法研究