Such antennas mainly include radiation part and the coupling part of feed.

此类天线主要包括辐射波导和耦合馈电波导两部分。

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This filter USES several parallel-coupling ring resonators and direct-coupling structure between feed lines and rings.

该滤波器采用数个环形谐振器平行耦合，而输入输出馈线与环形谐振器之间采用直接耦合。

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This article analyses and studies a cement plant on fracture behavior of coupling bolts joining the feed rind of tube mill to the gear.

分析、研究了某水泥厂管磨机的磨头与齿圈联接螺栓的断裂情况。

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