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The method developed in this paper can be used in the research field of the Ducted Rocket and fuel-rich propellant, to reduce the experimental cost effetely and shorten the research period greatly.

对于固体冲压发动机和贫氧推进剂的研制来说，本文研究的方法既可有效地降低试验成本，又可大大缩短研制周期，具有一定的工程应用价值。

After hearing from the family, he decided to contract/shorten the time of staying here.

他接到家信后决定缩短在这里的逗留时间。

Use film evaporator replace kettle manner,the evaporation time could be shorten.

采用薄膜蒸发器作为新的脱溶设备，代替传统的釜式脱溶，缩短了受热时间，挥发份指标相对降低。

The research in thesis on the control system and the filter mechanism is significance and valuable to enhance the working efficiency, shorten the production cycle, reduce the cost, improve the competitive ability of filter press manufacture enterprise.

本研究对压滤机的控制系统与过滤机构进行了改进设计，对提高压滤机的工作效率，缩短周期，减少制造成本，增强压滤机制造企业的竞争力，有一定的意义和应用价值。

Using fuel-rich hot gas as pilot flame, the ignition delay of the kerosene was effectively shorten to 0.1ms-0.38ms.

以高温富油燃气作为引导火焰有效缩短了煤油的点火延迟时间，达到0.1ms-0.38ms。

In the actual production process, the flashing and citation will form vibration and noise, shorten the life of the valve, so the choice should be to prevent the valve produces flash valve and citation.

在实际生产过程中，闪蒸和空化会形成振动和噪声，缩短阀门的使用寿命，因此在选择阀门时应防止阀门产生闪蒸和空化。

In the actual production process, the flashing and cavitation not only affect the calculation of flow coefficient, but also the formation of vibration and noise, shorten the life of the valve, so the choice should be to prevent the valve produces flash valve and cavitation .

在实际生产过程中，闪蒸和空化不仅影响流量系数的计算，还会形成振动和噪声，使阀门的使用寿命变短，因此在选择阀门时应防止阀门产生闪蒸和空化。

To shorten the design period of control system of a satellite attitude control flywheel,and to verify the feasibility and effectiveness of design schemes,a control model based on a mathematics model for flywheels was established combined with acceleration techniques,reversal connection braking control and commutation control for the control system of flywheels.

为了缩短姿控飞轮控制系统的设计周期和快速验证设计方案的可行性及有效性，在分析姿控飞轮电机本体数学模型的基础上，结合该姿控飞轮控制系统所采用的加速控制、制动控制、换相控制，建立了姿控飞轮控制系统模型。

The paper researches the frictional mechanism of weave rubbing material and the relation between the thermal decay in the course of the rub and resin solidifying,resolving,and makes use of the laser shining to promote resin solidify in order to improve the early friction performance of rub material and shorten the early friction performance instable period of rub material.

本文研究了编织摩擦材料的摩擦机理以及摩擦过程中的热衰退与树脂的固化、分解之间的关系，利用激光照射促进树脂固化，提高了编织摩擦材料的早期摩擦性能，缩短摩擦材料早期摩擦性能的不稳定的过程，使其产品更安全可靠。

Through the result we know that it is lower on the firmness and higher on the rot, there is a big difference between the upper(0-40cm)and middle and floor(40-120cm)in the stack, so if controlled the height of stack about 60cm, and shorten the time in the stack ,there is a little decline on fruit rot.

另外本文还对车厢内果实的硬度和腐烂率进行了初步的研究，结果表明，随堆放位置的下降果实硬度下降，果实腐烂率则相反呈上升趋势，且车厢上层(0-40cm)与车厢中下层(40-120cm)果实的硬度和腐烂率之间有显著性差异，因此建议降低装车高度(60cm左右)，减少果实在车厢内的堆放时间，可大大降低果实的腐烂率。

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％。