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1·In the design of crossed-helical gears, the minimum sliding velocity is obtained when the helix Angle are equal.

在横渡螺线齿轮设计，当节面角是相等的时，极小值滑的速度得到。

2·It is found that the friction coefficient increases with the increase of sliding velocity, and there is critical velocity.

试验发现，摩擦系数随滑动速度的增加而增加，存在临界滑动速度。

3·However, the friction coefficient between Ni and APS increased with sliding velocity increasing and reduced with load increasing.

而镍与APS间的摩擦系数随滑动速度的增大而增大，随载荷的增大而减小。

4·The characteristics of loess interface landslide and loess-mudstone layer plane landslide are low sliding velocity, short sliding distance and low stability after sliding.

黄土接触面滑坡、土泥岩顺层滑坡的滑速低、滑距短，滑体具有稳定性差、活性强的特点。

5·Based on clustering, a sliding window correlator algorithm for resolving the radar object ambiguity in range and velocity is described.

以聚类算法为基础，本文介绍了一种用于雷达目标解距离、速度模糊的滑窗相关器算法。

6·First, according to the tracking error dynamics and kinematics described by unit quaternion error and angular velocity error, a sliding mode controller is derived based on Lyapunov theory.

首先根据由误差四元数和误差角速度描述的跟踪误差动力学和运动学方程，设计了基于李亚普诺夫方法的滑模变结构控制律。

7·Since the thrust ripple has great influence on the precision and steadiness of the velocity control, the sliding-mode control device of speed loop was designed.

针对推力波动对于直线电机的速度控制精度和平稳性影响较大的问题，设计了速度环滑模控制器。