汇流环作为雷达旋转与固定部分的电连接装置，其可靠性对雷达影响很大，但长期以来一直没有一种有效的预计方法。
Slip ring is an electricity connector of radar rotational part and fixed part , whose reliability influences a lot to radar, but we have not had an effective forecast technique for a longtime .
在卷轴或卷筒的轴上所用的电装置。它用来在旋转的卷筒心子与固定的卷筒架之间提供电气连接。
The electrical device used on the axle of a spool or reel to provide electrical continuity between the rotating reel core and the stationary reel chassis.
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