“catalog of extragalactic radio sources”的概念、定义、翻译、参考文献-科学参考

单词	catalog of extragalactic radio sources
释义	catalog of extragalactic radio sources Encyclopedia 工学河外射电源表释 catalog of extragalactic radio sources河外射电源表通常指结构简单、流量密度恒定、经长期观测已准确确定了坐标的、用于天体测量和空间大地测量，或用于天文物理相位参考观测的河外射电源表列。
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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。