核潜艇可以无限止地供应空气，水和动力，唯一对潜水时间有限制的是艇上的食品储量。
Nuclear submarines are able to provide their own infinite supply of air, water and power. Their only limitation for staying submerged is the amount of food on board.
它通过动力喷头将水形成“水锋”，高效地清洗餐具。
It directs water through kinetic jets to create a 'water-blade' That cleans pretty efficiently.
计算结果均表明，本文的一维水动力学模型能较好地模拟漫滩河道的过流特征，并改善了漫滩河道洪水演进的模拟与预测能力。
Calculation results show that this model can simulate the characteristics of water flow in a floodplain river and can improve the capacity of flood routing simulating and predicting.
从动力学进一步分析也表明，湛江港的增水类型与热带气旋登陆地点和路径关系非常密切。
Dynamical analysis also indicates that the type of the surge at Zhanjiang Harbor has intimate association with the landing location and the path of the tropical cyclone.
结果表明利用控制器控制水舱的单位主动力，可以最大限度地发挥减摇水舱的减摇能力，提高水舱的减摇效果。
The results show that the controller designed can control the unit active power in the antirolling tank so as to achieve the stabilization capacity and improve the stability effects.
上述模型既能很好地反映舰船的水动力特性，又能与原始波浪力、力矩相吻合，由此证明了模型的正确性。
The above models can reflect water kinetics performance of warship and tally with the original wave force and moment, as a result, the correctness of constructed models is proved.
模拟试验能够更好地研究不同水动力条件下污染物的扩散运移规律。
The simulation test can study the movement law of pollutant diffusion under the diffident hydrodynamic condition.
所以，研究如何更能准确地预报对转螺旋桨水动力性能更为重要。
So, how studies can accurately prediction to the contra-rotating propeller hydrodynamic performance is more important.
变程星形图可全面地刻画测井曲线的形态特征，反映沉积环境的水动力变化规律。
The radar figure of directional ranges is able to reflect the characteristics of logging curves and regularity of hydrodynamics.
只有全面考虑这三者之间的相互作用，才有可能准确地模拟出真实的水动力条件和波浪条件，为进一步研究泥沙及污染物的运动提供条件。
To simulate the current and wave conditions accurately for further studies such as sediment transport and pollutant movement, the interactions between the three factors should be taken into account.
因此，深入地研究如何准确地预报螺旋桨的水动力性能是非常重要的。
So, an in-depth study in how to make a accurate prediction of the hydrodynamic performance of the propeller is very important.
水动力学表明，襟翼舵的存在大幅度地提高了升力系数值。
Hydrodynamics shows that the flap rudder can increase lift coefficient notably.
BP人工神经网络模型通过训练可以具备强大的非线性映射能力，以数学解析的形式，较好地提取了海量螺旋桨水动力性能数据特征；
Through trained, BP neural network can obtain strong nonlinear mapping ability to learn the data characteristics of the hydrodynamic performance of ship propeller as a mathematic analytic form.
用本文提出的处理方法能有效地计算深海中浮式直立圆柱体的水动力系数。
It is shown that the hydrodynamic coefficients for a vertical circular cylinder floating in water of infinite depth can be obtained effectively by the present method.
结果 ：亲水凝胶材料含量越小 ，盐酸地匹福林从凝胶基质中释放越快 ，凝胶体外释药符合一级释放动力学方程 ，离体角膜渗透行为符合一级释放规律。
The cornea permeation test of formulation was studied by using rabbit corneas. Results:The formulation release behavior in vitro followed the first order kinetic equation.
结果 ：亲水凝胶材料含量越小 ，盐酸地匹福林从凝胶基质中释放越快 ，凝胶体外释药符合一级释放动力学方程 ，离体角膜渗透行为符合一级释放规律。
The cornea permeation test of formulation was studied by using rabbit corneas. Results:The formulation release behavior in vitro followed the first order kinetic equation.
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