“Conventional International Origin”的概念、定义、翻译、参考文献-科学参考

单词	Conventional International Origin
释义	Conventional International Origin Encyclopedia 工学地球参考系统释 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 Conventional International Origin缩写：CIO。国际协议原点
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科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。