招致旋转叶片不可以旋转任何更长的时间。
要生产泵动作用，它包括往复运动的活塞或旋转叶片。
To produce the pumping action, it contains pistons that are driven back and forth, or rotating vanes.
线圈被放在置于外部的一个框中，而这个框又是把旋转叶片包在中间。
The coils are then housed in an outer rim that encloses the rotating blades.
压气机的旋转叶片必须能够承受非常高的静应力和动应力。
The rotating blades of compressors have to be designed to withstand very high static and dynamic stress.
讨论了一种可用于旋转叶片的动力吸振器基本原理和动态特性。
The mechanism and dynamic characteristics of a dynamic vibration absorber used in rotating blades are discussed.
旋转叶片的工作原理类似飞机的两翼，运用机翼的形状提供上升力。
The rotor blades work like the wings of an aeroplane, with an aerofoil shape providing lift.
高速旋转叶片振动的非接触测量是叶片振动测量中极具发展前景的技术。
Noncontact measuring of high speed rotating blade vibration is the most promising technology in the blade vibration measuring.
探讨了旋转叶片动力刚化效应产生的原因，并分析其对叶片固有频率的影响。
The stiffening reasons of the rotating blade and the influence of the dynamic stiffening effect on the blade natural frequencies are discussed.
本文采用牛顿法并藉计算机求解质点沿机械抛掷机构内的旋转叶片运动的方程。
In this paper we use Newtoh's method to solve the equation of motion of particles along rotating blades.
因此在向前飞行时，旋转叶片可以在每一边产生相同大小的升力来进行机身的平衡。
So in forward flight each rotor can produce an equal amount of lift on each side, thus providing balance.
显然库珀材料他们使用也太软，即便是紧了套管旋转叶片后它还能失掉剥去一些轮换。
Apparently the cooper material they use is also too soft and even if the bushing is tight on the rotating blade it still can get stripped after few rotation.
自动电动系统采用产生真空的旋转叶片电动真空泵和电动控制器，以保持准确的真空等级。
Automatic electric systems use rotary vane electric vacuum pumps to create vacuum and an electric controller to maintain the correct vacuum level.
应用多体动力学方法，分析了旋转叶片动力刚化效应产生的原因及其对叶片振动模态的影响；
The stiffening effects of the rotating blade are discussed, using the multi-body dynamics method. The influence of the dynamic stiffening effect on the blade vibration mode is then analyzed.
在安装有不同旋转叶片的射流充气浮选试验系统上进行了旋转对射流充气器充气性能影响因素试验。
This paper discusses the aerating performance of jet aerator in jet aeration flotation system equipped with different vanes.
光纤传感器的出现，克服了传统传感器的缺陷，为实时精确测量高速旋转叶片振动提供了可靠的保证。
The optical fiber sensor that defects of traditional sensors are overcome provides a reliable way for real time accurate measurement of high speed rotating blade vibration.
实验结果还表明：旋转叶片的搅拌功率消耗与过滤时的操作压力的关系不大，但与进料的含固浓度相关。
The experiment expressed: the power consumption of rotary vane mix is not relate to operation press but to the input material concentration.
究竟是什么限制了直升机的飞行速度同时却能够让它盘旋呢？答案是流动通过直升机上方旋转叶片的空气。
What limits the speed of a helicopter is the same thing that allows it to hover-the air flowing over its spinning rotor blades.
本文通过对直轴旋转叶片型面成形规律的分析，运用三维几何变换理论，推导出了直轴旋转叶片型面的数学模型。
In this paper, a mathematic model of the straight axis rotate blade is introduced by analysing the forming principle of the blade profile and applying the theory of 3d geometry transformation.
研究了高速旋转叶片振动实时监测系统，叶端定时传感器、传感器脉冲信号采集电路和叶片振动信号的实时分析和处理。
The real time measuring system of high speed rotating blade vibration, tip timing sensor, pulse signal sampling system and analysis processing of blade vibration signal are researched.
人们认为，旋转相对较慢的叶片不太可能对鱼类和其他生物造成威胁。
Fish and other creatures are thought unlikely to be at risk from the relatively slow-turning blades.
这些塔，或称“叶片”，围绕着一个三角形中心轴旋转，中心轴承载着电梯和机械设备。
These towers, or "blades," pinwheel about a triangular central shaft that holds elevators and mechanical equipment.
与老式螺旋桨发动机的叶片不同，这些叶片在发动机的后部旋转。
Unlike the blades on old-fashioned propeller engines, these blades spin around at the back of the engine.
最令人印象深刻的部分是涡轮机的叶片，它在每一次旋转中都会吸走风。
The most impressive part is the turbine's blades, which scoop the wind with each sweeping revolution.
这种装置就像水下风车一样，叶片随流过的潮汐旋转。
These devices act like underwater windmills, with blades that rotate as the tide flows through them.
但是与飞机不同的地方在于，当直升机向前飞行时，空气是以不同的速度流过旋转的叶片的。
But unlike an aircraft, when a helicopter is flying forwards the air passing over its rotor blades does so at different speeds.
另外，为了产生电力以供叶片旋转，空气能为燃料电池供氧。
Alternatively the air could be fed to a fuel cell to generate electricity to spin the blades.
另外，为了产生电力以供叶片旋转，空气能为燃料电池供氧。
Alternatively the air could be fed to a fuel cell to generate electricity to spin the blades.
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