| 1. | Hydraulic slope ; energy gradient
水力坡度水力比降 |
| 2. | Madagascar had cut its rate by 41 % , s and p ( sao tome and principe ) by nearly half
马达加斯加将其比例降低了41 % ，圣多美及普林西比降了近一半。 |
| 3. | Standard test method for open - channel flow measurement of water indirectly by slope - area method
使用比降面积法迂回测量明渠水流流量的标准试验方法 |
| 4. | The calculation results are given for the bottom width , curvature radius , channel length , slope , flow depth , and flow velocity of the bend
优化结果给出了引水弯道底宽、曲率半径、中心长度、纵向比降、水深、流速。 |
| 5. | Test results show that the water surface slope , velocity and ratio of water depth to draft are the main influencing factors of ships ascending rapids
试验结果表明，滩段的水面比降、水流速度及船舶水深吃水比是船舶上滩的主要影响因素。 |
| 6. | The main aim of system harness of man - made debris flow is to make potential debris flow not broken out and present debris flow decreased
控制固体物质补给是关键，合理设计规划弃土石渣的排放场地是重点，搞好汇水区水土保持系统工程是基础，调整沟床比降，减少水流动能，使泥石流暴发减少到最低程度。 |
| 7. | The bulk of effect on dredging river for deposition reduction is relative to chosen datum of dredging channel geometry parameter . geometry parameters include dredging channel length , morphology of transversal section and longitudinal slopes
挖河减淤效果的大小与挖槽几何参数的选值有关，几何参数包括挖河长度、断面形态及挖槽比降等。 |
| 8. | It shows that the water level in the definite reach is lower than that with same discharges before dredging river , the surface slope on upper reaches dredged is enlarged and deposition load on bed is reduced or eroded
主要表现在可以引起一定范围河段内的水位较挖河前同流量下有所降低，开挖上游河段水面比降增大，床面淤积量有所减少或发生冲刷。 |
| 9. | Considering the joint operation of the three gorges and gezhouba hydropower stations , influences of the daily regulation planning of the hydropower stations on the water surface slope of the downstream reach of the three gorges reservoir are studied
?结合三峡和葛洲坝两电站联合运行的实际情况，研究了调节方案对三峡水库下游河道水面比降的影响。 |
| 10. | The statistics show that the correlation of antecedent precipitation , lithology , landform , drainage density , drainage area , length and ratio of demotion of main river and four characteristics of low flow is very complex
统计结果表明：流域的枯季前期降水、岩性、地貌、流域面积、河网密度、主河道长度及其比降等因子与喀斯特流域的枯水四特征的相关关系异常复杂。 |
