The best streamlined shape possible but one which supports the most efficient production of propulsive forces is a more complete concept for contemplation positions in the water for speed swimming.
一个最佳的流线型可能是最好的但是如果能和竞技游泳中的预期位置及有效的产生推进力等要求相结合才更加完善。
Such an explanation, were it true, might also provide hope that lifters and ACTs could provide a propulsive force in a vacuum.
如果这些解释是真的，那么飘升机和非对称电容推进器将也有希望在真空中产生推进作用。
The paper designed a propulsive mechanism for an amphibious robot in order for it to meet the requirement of adapting itself to the two environments of water and land.
根据两栖机器人对水陆两种环境的适应需求，设计了一套水陆两用的机器人推进机构。
In this paper the resistance, propulsive performance, seakeeping quality, manoeuvrability and economical criterion of a shallow draught vessel are calculated and analysed.
本文计算分析了浅吃水船的阻力、推进性能、适航性、操纵性及综合经济性后，给出了供方案探讨时选择主尺度方案的简便图谱。
Iv. They present a propulsive tail, pharynx and branchial openings.
它们有一条推进用的尾巴，咽及鳃裂。
They usually roll to better position limb segments to produce a more direct propulsive force, which is usually under them, resulting in better movement economy.
他们一般都会滚动到一个最佳的位置以产生更多的直接推进力，通常这会导致更省力的动作出现。
Based on the propulsive conditions of the diesel engines of naval ships, a series of steady parameters are measured and discussed and the mathematical and physical modes are built in this paper.
本文基于舰艇柴油机的推进工况，研究通过测试一组稳态参数，建立物理和数学模型，获取缸内示功图。
Significant propulsive efficiency improvements can be achieved by modifying the propulsive system of a vessel.
修改船舶推进系统能大大改善推进效率。
Laser propulsion is a new concept in which an Earth-based beamed energy from long distance is used to supply the propulsive energy.
激光推进是一种由远距离传输的地基定向能提供推进能量的新概念。
This paper is concerned with the design, construction, and control of a novel biomimetic robotic dolphin equipped with mechanical flippers based on an engineered propulsive model.
根据海豚典型的背腹式推进的特点，提出一种工程化的推进模型。
The thruster contained a large-diameter, slowly rotating blade with nozzles that diffused the propulsive flow, minimizing the churning that would otherwise disturb the caked silt.
机器的 推进器包含了大直径慢速转动的 螺旋桨，而且推进水流由喷嘴送出，以避面剧烈搅动扰乱了结块的淤泥。
The faster a jet plane goes the greater its propulsive efficiency.
喷气式飞机的速度越快，它们的推进效率就越高。
Scramjet is the perfect propulsive device to hypersonic vehicle, and is a hot issue in current hypersonic technology area.
超燃冲压发动机是高超声速飞行器理想的动力装置，是当前高超声速技术领域的研究热点。
This paper proposes a method of simulation of dynamics for propulsive shafting of ship by ANSYS. And it is the first time to discuss the effects of engine on simulation of dynamics.
本文基于ANSYS环境提出一种船舶推进轴系动力学仿真方法，并首次探讨了主机在轴系动力学仿真中的影响。
The propulsion mechanism comprises a propulsive fixing plate and a propulsive working plate which is installed on the propulsive fixing plate.
所述推进机构包括推进固定板和推进工作板，推进工作板安装在推进固定板上；
A numerical study of a propulsive jet flow confined by bottom plane and against a flat plate is made.
本文对发射台底面与后挡板之间的喷流流场进行了数值研究。
A numerical study of a propulsive jet flow confined by bottom plane and against a flat plate is made.
本文对发射台底面与后挡板之间的喷流流场进行了数值研究。
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