“Opaque Era”的概念、定义、翻译、参考文献-科学参考

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。

单词	Opaque Era
释义	Opaque Era Astronomy Opaque Era不透明时期
随便看	social anxiety social apathy social area analysis Social Arts Education social aspects of old age Social Assessment of Engineering Social assistance social assistance social assistance law social assistance principle social assistance statistics social atomization Social attribute information social attributes of population social basic contradiction social basis of Chinese cities social behavior social behavior of livestock social behaviouralism social being social being and social consciousness social benefit social benefit of water conservancy project social benefits of soil and water conservation Social big data