interrogation antenna
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文章论述了在某型号雷达询问机天线的展开与撤收机构设计中，采用平面四杆机构满足了电讯安装要求并克服了运输超宽的难题。
The planar 4-bar linkage is adopted in order to satisfy the installation requirement and solve the problem of over-width in transportation.
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