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无线电塔
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无线电塔
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高耸结构
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radio tower
无线电塔
发射或接收无线电波所用的高耸结构。用来做无线电波的辐射器或者接收天线的支撑物,主要用于通信、广播、遥测、遥控、电视、雷达、导航等方面。
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geographic distribution of cancers
geographic distribution of cardiovascular and cerebrovascular diseases
geographic distribution of diseases
geographic distribution of diseases related to the lack of food and poor nutrition
geographic distribution of endemic diseases
geographic distribution of high altitude diseases
geographic distribution of infectious diseases
geographic distribution of tropical diseases
geographic diversity
geographic dual economic structure
geographic engineering of ethnicity
geographic entity
geographic entity representation
geographic environment simulation
geographic equator
geographic feature code
geographic feature identifier
geographic feature oriented generalization
geographic graticule map
geographic index of ethnicity
geographic information application engineering
geographic information catalogue service
geographic information classification and coding
geographic information cloud service
geographic information engineering
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