It should be noted at that position each champion is applying propulsive force. 需要注意的是在这个姿态每个冠军都是在用推进力。
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。
Body roll occurs largely to position sets of muscles to move joints to produce longitudinal forward propulsion and coupled with the arm pull produces a more direct propulsive force off the hand/ forearm-propelling surface. 身体的滚动幅度大会使肌肉群一起运动产生纵向的推进力而且是两倍于手臂划水直接产生的推进力。鱼尾形臂板,预告臂板臂挽着臂愉快地散步。
While the dynamics of the fish tail fin is widely studied, the design of the tail fin propeller lacks a kind of simple valid and estimation method, to link the motion parameters of the tail fin with the propulsive force and efficiency. 鱼类尾鳍的动力学问题已经得到广泛研究,但是在进行尾鳍推进器的设计时,还缺乏一种简单有效的设计和估算方法,将尾鳍的运动参数与推力、效率联系起来;
The construction of Pipe Jacking is beset with difficulty due to the large propulsive force for several years. 大口径长距离顶管施工顶进推力过大是困扰顶管施工多年的技术难题。
Reason and balance method of the axial propulsive force of the centrifugal pump 浅析离心式水泵产生轴向推力的原因及其平衡方法
Based on hydrodynamic methods, the ablation rate and the propulsive force on the debris, when the high-power pulsed laser irradiates on the space debris, have been derived. 根据流体力学问题,推导出强脉冲激光作用在空间碎片上时的烧蚀率,及碎片受到的推力。
Calculational method of the propulsive force and efficiency of tail-fin propulsion based on ideal propeller theory 基于理想推进器理论的尾鳍推力与效率估算柔性尾鳍推进装置的水动力计算
The combustion chamber pressure and propulsive force were tested. 该项研究主要测量了发动机的推力和燃烧室压力。
By means of dynamics simulation the targets of propulsive performance under water as the swimming speed, propulsion force, instantaneous power and average efficiency etc. 通过动力学仿真,计算Robo-Mackerel的游速、推进力、瞬时功率和平均效率等水下推进性能指标。
The new progress in satellite communication industry includes propulsive force from IP and the advent of broadband satellite communication. 卫星通信的新进展主要有IP对卫星产业发展的驱动和宽带卫星的来临等。
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。
On the other hand, basing on the consideration of ablation technology, we also simulated the heat effect of combustion gas vane to reduce partly or eliminate completely the influence of drag force which will affect propulsive force of motor in this paper. 另一方面,基于销熔技术的考虑,为了部分降低或完全消除燃气舵阻力对发动机推力的影响,本论文还对舵片的热效应进行了数值模拟。
The thesis primary interpreted the shipping propulsive force, shipping obstruction force, shipping manoeuvre and steady modeling especially, and interpreted the principle of PID control algorithm properly. 重点解释了船舶推进力、船舶阻力、船舶操纵和船舶初稳性建模方法,并适当表述了PID控制算法的原理。
As individual urban, national culture, national religion and national trade, are the main propulsive force of urban. 就单个城镇而言,民族文化、民族宗教与民族贸易的亲合关系和响应力,是城镇成长的主要推进剂。
The analysis results show preliminarily that the propulsive force has some relationship with such factors as the radian, section area and rotational speed. 分析结果表明,两栖机器人水下推进力与轮片的弧度,截面面积及转动速度等因素有关。
The factors that affect the propulsive force of the biomimetic horizontal fin are analyzed by simulation. 通过仿真分析明确了影响仿生水平鳍推进力的影响因素。
Additionally, the movements of the bionic tail fin propulsive system could be optimized by the comparisons of the propulsion efficiency, propulsion coefficient, lateral force coefficient and torque coefficient at different conditions ( i.e. movement parameters). 对不同运动参数下的仿鱼尾鳍推进系统的推进效率、推力系数、侧向力系数和力矩系数进行比较分析,得出最优化的机械尾鳍运动状态。