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electronic defence
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electronic defence
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电子防御
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electronic defence
电子防御
在电子对抗行动中,为保护己方电子信息设备和系统正常发挥效能而采取的措施和行动。是电子对抗的重要组成部分,也是信息系统防护的重要内容。
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underglaze dark blue glazed
underglaze decoration
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undergraduate education
undergraduate education of pratacultural science
Undergraduate Specialty Catalogue of Higher Education Institution
Underground
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underground antiseepage method
Underground Architecture
underground banks
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underground city in Northern America
underground coal gasification
underground cold storage facility
underground communication
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underground concrete-mixer truck
underground cultural and educational facilities
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