positional astronomy

宇宙

Synonyms (1)：

positional astronomy (位置天文)
About positional astronomy
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Related terms (4)：

position measurement (位置測定)
About position measurement
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- Detailed information
distance measurement (距離測定)
About distance measurement
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celestial body (天体)
About celestial body
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Motion (運動)
About Motion
- Search "Motion"
- Detailed information

Broader terms (1)：

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