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国际协议原点
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国际协议原点
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Conventional International Origin; CIO
国际协议原点
由国际纬度局5个极移监测站在1900~1905年间获取的天文纬度观测数据所确定的固定平极。又称国际习用原点。
Astronomy
全称:Conventional International Origin。缩写:CIO
国际协议原点
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the earth’s internal heat
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The East Is Red
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The East of Red
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the Eclipse
The Ecological Society of Japan
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the ecology of landscape plants
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