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Terms for subject Air defense containing secondary | all forms | exact matches only
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frequency secondary standard频率副标准
reflection secondary emission反射式二次发射
secondary communication二次通信
secondary derivative element二阶微分环节
secondary emission electron二次发射电子
secondary emission noise二次发射噪声
secondary emitting reflector二次发射反射极
secondary frequency standard次级频率标准
secondary grid emission栅极二次发射
secondary image二次雷达图像
secondary microwave attenuator次级微波衰减器
secondary pattern次级二次(雷达)方向图
secondary radar beacon次级雷达信标
secondary radiation of electromagnetic wave电磁波二次辐射
secondary radiation ray次级辐射线
secondary reflector副反射体
secondary signal次级二次信号
secondary station次级站
secondary station被控台
secondary surveillance radar航管二次雷达
secondary surveillance radar二次监视雷达

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