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共用天线系统
释义
共用天线系统
gòng yòng tiān xiàn xì tǒng
多部发射机或多台接收机电视机共用一副天线的系统。发射无线电信号时,由发射机、天线转换器和发射天线组成。为避免接收机间相互干扰,使用天线分配器。接收无线电信号时,由接收天线、天线放大器、分配器、分支器等组成。广泛用于高楼和接收条件较差地区。
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unit potential
unit powcr factor
unit powder consumption
unit powder packer
unit power
unit power construction cost
unit-power construction cost
unit power consumption
unit power-consumption
unit power factor
unit power mounting
unit power output
unit power plant
unit power reactivity
unit power regulation
unit-power sighting telescope
unit preference strategy
unit preoutfitting
Unit pre-selection
unit pressure
unit price
unit-price
unit price analysis
UNIT PRICE AND PRICE TERM
unit price and trade terms
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更新时间:2025/5/31 5:35:20