planar core
平面的核心
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The planar slot array antenna is the core of the airborne radar antenna system. Its prominent characteristics are many layers, cavities, thin wall and accuracy to have high request.
平板裂缝天线是机载雷达天线系统的核心，其显著特点是多层、空腔、薄壁而且精度要求高。
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