修改船舶推进系统能大大改善推进效率。
Significant propulsive efficiency improvements can be achieved by modifying the propulsive system of a vessel.
本发明结构简单，推进效率高，动作连续性好。
Said invention is simple in structure, high in propellant efficiency and good inmovement continuity.
喷气式飞机的速度越快，它们的推进效率就越高。
The faster a jet plane goes the greater its propulsive efficiency.
他们不同的推进效率和速度与他们的生活习性有关。
And the propulsive efficiency and swimming speed are related to their living habit.
这些因素必须迅速加以调整以确保最大的推进效率。
These factors must be adjusted rapidly to ensure maximum propulsive efficiency.
船舶污底引起阻力增加，降低了船舶的推进效率，增加了耗油量。
These will decrease the propulsion efficiency and increase fuel consumption.
结果表明，在各个攻角状态下，手并拢划水均能获得更高的推进效率。
The results show that swimming with fingers holding together provides higher propulsive efficiency than swimming with fingers splaying at various angles of attack.
桨毂帽鳍可改善毂涡空泡，模型试验状态下可提高推进效率2%左右。
The boss vortex cavitation of propeller can be avoided by PBCF, and an increase of 2% in propulsion efficiency has been measured in the model tests.
为了合理利用能源，文中引入相对推进效率作为是否施加推力的门限。
Considering the energy consumption, the relative thrust efficiency is introduced as a threshold deciding whether to thrust or coast.
导管螺旋桨优势在于低航速时提供更大的推力和更高的推进效率，因此作为首要选择。
The advantage of the ducted propeller is, this type propeller can support greater thrust and higher efficiency under low speed, so is the first choice.
船用螺旋桨是一类典型的自由曲面零件，它的设计和制造精度直接决定了其推进效率。
Marine propeller is a type of free form surface part. Its design and manufacture precision decide ship's thrust efficiency directly.
计算结果给出了不同环境压强下推力器的推力、比冲、推进效率和出口平面冲量密度分布。
The results present thrust, specific impulse and thrust efficiency of the thruster under various environmental pressures, as well as impulse density distribution on the exit plane.
本发明利用偏心同步旋转的两个转轮带动桨叶运动来提高船舶的推进效率，结构简单，且能使船在浅水航道中行驶。
It USES the two eccentric synchronous rotating runners to drive the paddle to enhance ship thrusting efficiency, has simple structure and can make the ship run on a shallow waterway.
在设计航速下，与各自的对比常规双桨船型相比较，提高推进效率分别为15%以上，20%以上，10%左右，8- 10%。
Under the design speed, the propulsive efficiencies of the special stern shapes will be increased by more than 15%, 20%, 10%, 8-10% compared with corresponding mother ship respectively.
更好的流体推进效率的获得是通过推动大量的水(哪怕是推动的行程短一些)，而那种推动虽然比较长，但推动的水量比较少的方式获得推进效率则比较小。
Maximum efficiency in water is achieved by pushing a large amount of water a short distance rather than by pushing a small amount of water a large distance.
他们所带来的技能又进一步推进了生产效率，让福特汽车价格更加亲民。
The know-how they brought boosted production efficiency still further and made Ford cars ever more affordable.
这一特性本身就可以极大地推进开发效率。
This feature alone can provide a huge boost to development productivity.
虽然极寒，而在点火后此燃料可以产生炽热的蒸汽(5000度)和足够的推力：氢比其它推进器燃料的效率高出40%。
Though the fuels are frosty, upon ignition they generate scorching steam (5, 000 degrees) and plenty of thrust: Hydrogen is 40 percent more efficient than other propellants.
通过教育券推进公平，通过学校之间争夺生源的竞争提升效率。
This will promote fairness and efficiency through education vouchers and through competition between schools.
在Mitch的直接帮助下，我们在生产效率方面有了巨大的推进。
With Mitch's direct help, we had a tremendous boost in productivity.
推进人员、设备、物料、固定资产等运作效率的持续改善；
Push the continuous improvement of operation efficiency such as personnel, equipment, materials, fixed assets, etc.
同时，IPO市场上监管制度的缺陷以及由此导致的监管效率低下、市场约束机制弱化，是阻碍承销商声誉阶段性推进的主要原因。
At the same time, the existing defects of IPO mechanism, which result in low efficiency and weak market power are the reasons why the reputation mechanism is yet to take into full effect.
但其排气速度却异常惊人，大约为化学燃料火箭的十倍—这使得离子推进器的效率非常高。
The exhaust velocity, though, is enormous—more than ten times that of a chemical rocket—and this makes ion propulsion extremely efficient.
通常螺旋推进器最大效率为75％，其余的能量以漩涡的形式损失。
Usually, the fullest efficiency of screw propeller is 75% with the rest energy lost in the way of whirlpool.
株式会社日立高新技术，通过向用户提供高端的科学仪器，致力提高分析技术和工作效率，帮助推进生命科学领域的服务和研究开发。
Through providing science equipments with high technologies, Hitachi High-Technologies improve analysis technologies and working efficiency to promote both service and research in life science field.
未来飞机推进系统要求压气机的压比和效率均大大高于目前的使用水平，以提高发动机推重比，减小燃油消耗。
For improve thrust loading and decrease fuel consume of the engine, propulsive system of the future demand the compressor in possession of higher pressure ratio and more efficiency.
一是以推进分类监管为着力点，对不同风险程度的保险机构实行差异化监管，不断提高保险监管效率。
Differentiated regulation, which means insurance institutions of different risk levels will be regulated differently, will be treated as a priority to increase the efficiency of insurance regulation.
一般用空载速度、最大推进力、效率及其他一些参数来表征压电线性马达。
In general, the piezoelectric linear motor is defined by no load velocity, the maximum thrust force, efficiency and other parameters.
因此，提高技术效率带来的直接作用是使运动员前进阻力减小，推进力增大。
Improving the efficiency of swimming technique will help our athletes to reduce resistance and increase propulsive force.
因此，提高技术效率带来的直接作用是使运动员前进阻力减小，推进力增大。
Improving the efficiency of swimming technique will help our athletes to reduce resistance and increase propulsive force.
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