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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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optical fiber sensor
optical fiber spectrograph
optical fiber spectrum shaper
optical fiber technology in astronomy
optical fiber temperature sensor
optical fiber terminal connection technology
optical fiber transducer
optical fiber transmission system
optical fiber vibration intrusion detector
optical fibre
optical fibre cable
optical field
optical field induced birefringence
optical field, light field
optical film
optical filter
optical flame fire detector
optical flare
optical flash
optical flat
optical flatness
optical flight control
optical flow
optical flow navigation
optical focal points
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