反作用

This kind of counteractive effect is possible not only for state-owned corporate, but also for private owned company, which is regarded as counteraction of governance mechanism to property structure, and the counteraction is not limited by property character.

这种治理机制对产权结构的反作用不仅可以应用于国有企业改制过程中，也可以用于私营企业的发展，即治理机制对产权结构的反作用不受产权所有制的影响。

The author suggest that intelligence is the regualating functional ability level of man's reflection and counteraction to objectivity.

本文提出"智能"是人对客观现实的反映与反作用的水平，有时称之为"智力"，以人在反映与反作用时的灵敏度正确度完整性与深刻性等来衡量。

Secondly, we analyzed the interaction between business cycle and finance cycle. The former is the latter's external variable, and the latter is the formers internal variable.

其次，分析财务周期与经济周期之间的关系——互为作用与反作用关系，并且后者是前者的外生变量；财务周期与企业生命周期之间的关系——后者是前者的内生变量，并且具有互为作用与反作用关系。

The result of this thesis can provide the actual method to control the reactive flywheel better for the high accuracy satellite attitude control system. The key technique of the reactive flywheel applied in the high accuracy satellite attitude control system is mastered."Zero momentum control" at three mutually perpendicular axes of satellite is realized on the real meaning.

本文的研究成果为反作用飞轮的精确控制提供了实际的途径，掌握了反作用飞轮应用于高精度卫星姿态控制的关键技术，实现了真正意义上的卫星三轴"零动量控制"。

The reactive flywhell is a good choice to satisfy high accuracy and high stability request of the satellite attitude control system. Because rare earth permanent magnet motor has simple structure, small bulk, light weight, credible performance, little ullage and high efficiency, it has been applied in the reactive flywheel more and more.

反作用飞轮是当前实现卫星姿态的高精度、高稳定控制的一种最佳选择，而稀土永磁电机由于具有结构简单、运行可靠、体积小、重量轻、损耗少、效率高等诸多优点，已经越来越多地应用于反作用飞轮的驱动中。

Combined with indoor experiments and concrete blasting engineering projects and according to the theories of elastics, dynamic waves and dynamic fracture mechanics, this chapter thoroughly discussed the influence of rock structure on energy distribution of explosive charge, stress wave and blasting results.

岩体对爆炸荷载反作用的研究：从辩证法的角度出发，提出了爆炸荷载与岩体之间是一种作用与反作用的关系，结合室内实验和具体的工程爆破实践，依据弹性理论、断裂力学理论和波动理论，详尽地讨论了岩体结构面对爆炸能量分布的影响、岩体结构面对爆炸应力波的反作用和岩体结构面对爆炸效果的影响等问题。

It is proved through the experimentation that adopting these technique can obviously improve the control precision of the reaction wheel's velocity and obviously minish the angle momentum output of the two-axis gimbals mechanism on the satellite.

结合反作用轮的控制模型，在双闭环控制结构上，加入了前馈控制和死区电压补偿。通过实验证明，采用这些技术，可以显著提高反作用轮转速的控制精度，大幅度减少星载二维转台的角动量输出。

The theory of the reaction wheel is introduced at first,then the invariability theory of disturbing compensation and the math description of feed forward control.are recommenoled feed forward control and dead voltage compensation are added in the model of reaction wheel control.

中文摘要：对星载二维转台中反作用轮的控制技术进行了研究。介绍了反作用轮的作用原理，给出了扰动补偿的不变性原理和前馈控制的数学描述。

Reaction wheel or reaction thruster is employed to maintain the attitude of the base of space robot fixed in attitude control of free-flying space robot.

自由飞行空间机器人的姿态控制可考虑利用反作用轮或反作用喷气装置以维持机器人本体姿态不变，但这种方法存在的最大问题是消耗燃料，直接影响机器人的轨道寿命，同时对系统产生振动而导致系统不稳定。

Considering the disturbance of reaction wheel assembly is related with the fixing condition, two methods named 'rigid six-axis test bed' and 'flexible six-axis test bed' were adopted respectively to measure the disturbance. Measurement results of two methods were compared through three aspects.

考虑到反作用轮的扰动与安装条件有关，使用&刚性六分量测试平台&和&柔性六分量测试平台&两种方法进行反作用轮扰动特性测量，并从三个方面对两种方法得到的结果进行比较。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。