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It is the conclusion to reduce the distance between periodic sys-tem and autonomous system.

这个结论将周期系统和定常系统的某些特征成为一致。

During autorotation, they could simply rotate shut to close off air-flow through the engine and greatly reduce cold drag.

在自动旋转，他们可以简单地旋转，通过关闭，以关闭发动机的空气流动，大大降低了冷阻力。

The key part of light alarm circuit of the system is the flashing tube and the life level of the main charge and discharge capacitance. Thus ,in this design, adopted autotransformer step-up type, two-level filter and double flashing tube, in order to light the burden of the main charge and discharge capacitance, reduce the heat productivity and extend the life level of the capacitance.

在系统的光报警电路中关键部件是频闪管和主充放电容的寿命，因此在电路设计中采用自耦变压器升压方式和双级滤波、双频闪管等独特的电路结构，减轻主充放电容的负担，减少发热量，延长电容使用寿命。

In this paper the reason of rapid increase of single phase short circuit current in 500 kV substation is analyzed. Through the calculation it is proved that neutral grounding by small reactance is an effective measure to reduce the single phase short circuit current, and the calculation method of the zero\|sequence reactance after autotransformer neutral grounding by small reactance being applied is expounded.

文中研究了500kV变电站单相短路电流急剧增长的原因，计算了变压器中性点经小电抗接地对限制单相短路电流的作用，论证了经小电抗接地是限制单相短路电流的有效措施之一，并阐述了500kV自耦变压器中性点经小电抗接地后，其等值零序电抗的计算方法，可供工程参考。

Both the static and dynamic load models are applied in this thesis and the autotransformer starters, static var compensators and VVVF inverters are installed to reduce the current and voltage drop during the motor starting.

文中以暂态稳定度分析模拟大型马达直接启动与加载过程，更考虑使用自耦变压器降压及装置静态虚功补偿器与变压变频启动法来降低启动电流与电压降。

Hypotensive anesthesia and autotransfusion may also be used to reduce intraoperative blood loss.

手术中保持低血压和自体血回输可以减少术中失血。

This can reduce the material handling operations, and to facilitate the coordination of all auxiliary machinery and equipment.

这样可以减少对物料的处理操作，并且方便全部辅助机械设备的协调。

The auxiliary variable system was constituted, and the recursive algorithm that can reduce the measurement noise interference has been developed. The bias property of LS with input/output measurement noise has been derived, and the self-adaptive deviation compensation principle of measurement noise variance has been proposed, and the corresponding algorithm is designed. The influence of parameters of wavelet modulating on estimation precision is investigated with simulation examples.

2构造了能降低测量噪声干扰的辅助变量系统及递推算法，研究了输入输出端测量噪声影响下最小二乘估计的偏差特性，提出了两种基于测量噪声方差估计的自适应偏差补偿原理并设计相应算法，用仿真算例研究了调制滤波器参数对辨识精度的影响。

The result proved that the ATMD which was designed rationally can availably reduce the Wind-Induced Vibration of structure.

数值结果表明，进行合理化设计的ATMD能够有效地抑制结构的风致振动。

This method can reduce the settlement availably and it is an ideal lightweight filling of the widening roadbed.

它是拼接工程理想的轻质路堤填料。

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％。