发动机转速度。
全新的动力装置以齿轮传动结构为特点，此结构允许前端风扇转速比中心部分慢3倍，优化了发动机各部分的速度。
The all-new powerplant features a geared architecture allowing the front fan to spin three times slower than the core, thus optimising the speed of each section of the engine.
act返回两个速度(依次为平移速度和旋转速度)，表示希望发动机执行的动作。
Act returns a pair of velocities - translational and rotational (in that order) - that show the action it wants the motor to take.
本文介绍了遥控驾驶靶车牵引车速度控制系统的组成和工作过程，阐述了车辆自动换档和发动机转速调节的控制方法。
Structure and the working process of a remote control vehicle for target towing were presented. Methods of control in automatic gear shifting and engine speed modulation were described.
根据车用发动机的实际使用工况，在不同转速及爆发压力下对其进行动力学计算，得到发动机的表面振动速度级。
According to the actual operational condition of engine, calculate dynamics with different rotational speed and breakout pressure, and get the surface vibration speed stage of engine.
通过试验验证，结果表明该方法具有学习速度快、计算精度高等特点，将其应用于确定航空发动机的给定转速是行之有效的。
Through experiment, the result shows that the method has the advantage of faster learning rate, higher calculating precision, that it can be used to make certain of aero-engine theoretic speed.
同时，发动机转速的恒定也使液压泵输出排量稳定，进而保证了行走速度和振动频率的稳定，提高了压实质量。
At the same time, constant engine speed stabilizes output displacement of hydraulic pump and then stabilizes travel speed and vibratory frequency in turn, so that compaction quality is increased.
但是，他们在施工中也表现出如发动机转速下降、工作速度变慢、挖掘无力等故障。
However, they also show in the construction such as the engine speed drops, working at slow speeds, mining weakness failure.
借助根据发动机(10)的燃烧频率所限定出的频率来过滤旋转速度，以得到与目前转矩相对应的值。
The rotation speed is filtered by a frequency which is defined based on a combustion frequency of the engine (10) to obtain a value corresponding to a current torque.
此模型能根据实测的燃烧压力曲线计算出层流燃烧速度、已燃气火焰温度及火焰传播速度等参数随压力、当量比、发动机转速、点火提前角的变化规律。
The variation of combustion velocity, fired gas temperature and flame propagation speed, when the press, excess air ratio and ignition timing changed, was calculated by this quasi-dimensional model.
通过操作在多路换向阀旁的油门手柄，可控制发动机的转速，从而调节系统的流量改变机构的工作速度。
Operating the engine-control handle, the engine speed can be controlled, then the flow of control system can change the operation speed of frame.
此框是需要适应RW光碟引擎每分钟转速的速度和信号向莱康明发动机转速和磁的信号。
Thiss box is needed to adapt the RW engine RPM speed and signal to the Lycoming engine RPM and magneto's signal.
此框是需要适应RW光碟引擎每分钟转速的速度和信号向莱康明发动机转速和磁的信号。
Thiss box is needed to adapt the RW engine RPM speed and signal to the Lycoming engine RPM and magneto's signal.
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