主瓣：它是一个辐射波瓣，其中含有最大辐射的方向。
Main lobe: This is the radiation lobe containing the direction of maximum radiation.
在无线通信技术中，定向天线以某一波瓣辐射的电磁能。
In radiocommunications, the radiation in a lobe of a directional antenna.
对具有不同辐射特性（单波瓣和多波瓣）的受试设备天线高度扫描问题进行了定性分析。
Qualitatively analyze the existing problem of the antenna height scanning for the EUT with radiating characteristics(single lobe and multi-lobes)in the measurement method.
内外波瓣间距相同的二元波瓣主喷管与相应的二元混合管的组合方案具有最好的综合气动性能和红外辐射的抑制性能。
Among the experimental model combinations, the combination of 2-d lobed nozzle with equal lobe width and 2-d mixing tube has the best aerodynamic and infrared radiation suppression performance.
内外波瓣间距相同的二元波瓣主喷管与相应的二元混合管的组合方案具有最好的综合气动性能和红外辐射的抑制性能。
Among the experimental model combinations, the combination of 2-d lobed nozzle with equal lobe width and 2-d mixing tube has the best aerodynamic and infrared radiation suppression performance.
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