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卫星通信地球站
释义
卫星通信地球站
wèi xīng tōng xìn dì qiú zhàn
设置于地球上的卫星通信终端站。通过它与通信卫星之间进行无线电传输,实现地面、空中、海上用户之间的通信联系。由天线系统、高功率发射系统、低噪声接收系统、信道终端系统、电源系统和监控系统组成。为实现用户之间通信,还设有地面接口系统、信息传输系统和信息交换中心。目前,地球站正在向小型化发展。
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chemical inlet
chemical innibitor
chemical innovative talents
chemical inorganic compound
chemical inpurity
chemical insecticide
Chemical insecticide and cockroach control
Chemical insecticide and human health
Chemical Insecticides
chemical insecticides and fungicides
chemical insectieides
chemical in-situ polymerization
chemical inspection
chemical installation in service
chemical installations
Chemical instituents
Chemical Instruction
chemical instrument
Chemical Instrument and Automation
chemical instrumentation
chemical integration
chemical integrity
chemical interaction
chemical interactions
chemical interaction water-soil
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更新时间:2025/5/23 3:45:38