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meridian
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meridian
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meridian
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。
Physics
交叉学科
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meridian
子午圈
meridian
子午线,子午圈
Mathematics
meridian
经线,子午线
Astronomy
meridian
1、子午圈; 2、子午线
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China Aerospace Science and Technology Corporation Shenzhou Team
China Agricultural Economic Review
China Agricultural Information Network
China agricultural machinery distribution association
China Agricultural Meteorology
China Agricultural Museum
China Agricultural Research System, Major Vegetables
China Agricultural Science and Technology Press
China Agricultural University
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China agroclimatic zoning
China Aid Act of 1948
China Air Express
China Air Traffic Control
China Air Transport Association
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China Algae Industry Association
China Alliance of Theatre Higher Educational Institutes
China ancient works on forestry
China Angling Association
China Animal Agriculture Association
China Animal Disease Control Center
China Animal Health and Epidemiology Center
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更新时间:2026/7/12 21:01:08