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Meridian Circle
释义
Meridian Circle
Encyclopedia
理学
天球坐标系
释
Meridian Circle
子午圈
地平坐标系或赤道坐标系中的大圆,即在地平坐标系中经过北天极的地平经圈,或在赤道坐标系中经过天顶的赤经圈。又称南北圈。
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tourism carrying capacity
tourism center
Tourism City
tourism climate resources
tourism commercialization
tourism commodities
tourism competitiveness
tourism concentration ratio
Tourism Consumption
Tourism consumption rate
tourism creative destruction model
Tourism demand
Tourism demand elasticity
tourism development
tourism ecological footprint
Tourism Economy
Tourism enterprises
tourism forecasting
tourism geography
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更新时间:2026/4/17 14:03:16