“ephemeris astronomy”的概念、定义、翻译、参考文献-科学参考

单词	ephemeris astronomy
释义	ephemeris astronomy Encyclopedia 理学历书天文学释 ephemeris astronomy历书天文学天体力学的一个分支学科。主要学科任务是建立天体运动理论和开展天文历书服务。
随便看	radiation damage product radiation damage repair radiation damping radiation damping in infinite foundation of the dam radiation decomposition radiation degradation radiation density radiation-density constant radiation density meter radiation destruction radiation detection radiation detector radiation detector assembly radiation detector signal amplification and readout circuit radiation direct action radiation directivity radiation disinfestation radiation displacement effect radiation dominated era radiation-dominated fluid radiation dominated gas radiation dominated universe radiation dose radiation dose measurement radiation dose monitoring

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