The plant species with high propagation capability and growth rate had the advantage in competition, which ensured their survival in the water-level fluctuation zone.
高繁殖力和高生长率的物种在竞争中具有优势，确保其能在消落带生存。
The tailrace surge chamber shared by two units , common in hydropower stations with diversion systems , has problems of water level fluctuation and hydraulic disturbance.
摘要双机共尾水调压室是水电站引水发电系统中一种常见的布置形式，存在尾水调压室水位波动和水力干扰问题。
The characteristics of fluid flow in the mould of two ports SEN and four ports SEN have been compared and the influences of SEN on the level fluctuation are investigated by water modeling experiment.
比较研究了薄板坯连铸用二孔型水口和四孔型水口流场特征，水模试验结果表明，采用两种水口的薄板坯结晶器流场均存在非稳定性现象。
The analysis results demonstrated that the reservoir water level fluctuation exerted a significant impact on the pore-water pressures in the bank slope, and hence on the slope stability.
分析结果表明，坡外水位升降时，坡内浸润线及其上的基质吸力场发生显著变化，进而影响岸坡稳定；
The meter scale cyclic sequences reveal the mixing water dolomitization resulted from frequent fluctuation of sea level.
米级旋回层序揭示了高频海平面变化引起的海水—淡水和盐水—淡水混合水白云石化。
The paper studies the twin-roll strip casting process by a water model. By using the level detector, the level fluctuation has been measured in the pool.
本文利用水模型研究了双辊薄带连铸过程，使用浪高仪对双辊间熔池内的液面波动进行了测量。
As the result of seasonal fluctuation of water, the total Hg concentration of water and sediment would be degressive in sequence of low water, flush time and ordinary level.
水位随季节周期性消落，将导致水体相和沉积物相中的总汞浓度按枯、丰、平顺序依次递减。
After the Three Gorges reservoir impounding, reservoir water level fluctuation and rainfall infiltration have become the major factors that affect the stability of landslide.
三峡水库蓄水后，库水位涨落和降雨入渗是导致滑坡的主要因素。
Two parallel permanent fluctuating belt will be formed along the two Banks of the reservoir because of the natural fluctuation of water level after the finish of the Three Gorges Dam.
三峡大坝建成后，由于水位的季节性涨落，将会在库区两岸形成两条平行的永久性的消落带。
The occurrence area and species-group density was closed with water level fluctuation and flood time.
水位涨落以及淹水时间的长短与飞蝗发生的面积和种群密度关系密切；
Based on analytical method, the paper shows that raising the length of a riser can elevate the water-hammer pressure and reduce the fluctuation of water level effectively in surge tank.
通过理论和解析方法讨论连接管较长时，其内水体惯性对调压井水锤压力和水位波动的影响。实例分析表明：连接管长度增加可使调压井水锤压力升高，水位波动幅值减小。
The nonlinear interation induced tidal period and water level fluctuation obviously.
风暴潮与天文潮的非线性相互作用出现了明显的潮周期振荡。
Can solve te flood resistance problem of the river and lake with alrge fluctuation of water level.
可解决在水位涨落大的沿江，湖泊地区建泵站的电机防洪问题。
The characteristics of fluid flow in the mold with the four-port SEN of FTSC have been studied and the influence of SEN on the level fluctuation is investigated by using water modeling method.
以我公司设计的双流板坯连铸机中间罐为模拟研究对象，应用水力学模拟和数值模拟方法研究了钢液在中间罐内的流动，分析了不同尺寸夹杂物在钢液内的运动轨迹及排除效果。
The characteristics of fluid flow in the mold with the four-port SEN of FTSC have been studied and the influence of SEN on the level fluctuation is investigated by using water modeling method.
以我公司设计的双流板坯连铸机中间罐为模拟研究对象，应用水力学模拟和数值模拟方法研究了钢液在中间罐内的流动，分析了不同尺寸夹杂物在钢液内的运动轨迹及排除效果。
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