The landslide early warning could base on the study on lag characteristic and rainfall threshold, by the use of rainfall information. ( 5) The backwater amount in unsaturated zone in landslide was estimated.

After completion and operation of the TGP, the water-sand conditions of the Yangtze River will be changed and sedimentation will occur in the backwater zone at the tail of the reservoir.

三峡工程投运后，改变了长江的水沙条件，引起库尾变动回水区泥沙淤积；

Experiment Study on Bedload Transport in the Variable Backwater Zone of Wen-Feng Reservoir

倍江文峰水库回水变动区推移质运动试验研究

The water in the backwater zone enters the cooling tower and then enters the dilution zone through the water pump.

回水区的水经水泵进入冷却塔冷却后进入混合区；

The layout of the metropolitan port in variation backwater zone is studied and some suggestions are given.

探索主城变动回水区的港区布局问题，并提出建议。

Backwater storage analytic method for river type reservoirs

河道型水库动库容分析方法

The river reach roughness is a important parameter for calculating reservoir and hydropower station backwater and determining submerge and move line.

河段糙率是计算水库、水电站回水和确定淹没搬迁线的重要参数。

During the operation of storing water and retaining sediment, serious deposition in the reservoir leads to backwater level rising rapidly. Therefore it also brings out new river-trained theory of design sediment load and integrated regulation of water-sediment.

开始蓄水拦沙运用，水库严重淤积回水迅速上延，引发设计输沙量和水沙综合调节治河新理论。

Numerical-analytic method for reservoir backwater storage flood routing

水库动库容调洪计算的数值-解析解法

Research on the Flood-Regulation Method of Reservoir Backwater Storage

水库动库容调洪方法研究

Hydraulic Calculation for Backwash of Single Valve Filtration Tanks

单阀滤池反冲洗的水力计算

Compound dictation in CET and its backwash effect on language teaching

CET中复合式听写及其对教学的反拨作用

An effective way to make the backwash effect of the test positive is to improve its validity.

提高测试效度是使测试反拨作用趋于积极的有效手段。

The Backwash Effect of New CET4 Listening Item on Teaching

新大学英语四级听力测试对教学的反拨作用

A scientific test exerts backwash effect not only before but also after the test.

一项科学的测试不仅在考前更应在考后能对应试者产生积极的反拨效应。

The Backwash Effect of Listening Testing on Students' Linguistic Integrated Competence

听力测试对学生的语言综合能力的反拨效应

A Study of Backwash Effect in Language Testing

语言测试的后效研究

The foreign progress in the application of membrane technology to drinking water production and backwash water reuse is reported.

介绍国外膜技术在生产饮水及反冲洗水回收中的应用进展。

Technology Incubation Centre Treatment Design of Waterworks Clarifier Sludge and Filter Backwash Water

技术孵化中心（技孵中心）水厂澄清池排泥水和滤池反冲洗水处理工艺设计

Reuse of Sand Filter Backwash Water Using Membranes

使用薄膜再利用沙粒过滤器的回流水

Reuse of Filter Backwash Water and Improvement of Coagulation Properties

滤池反冲洗废水回用和混凝性能的改善