“Rhyacian Period”的概念、定义、翻译、参考文献-科学参考

单词	Rhyacian Period
释义	Rhyacian Period Encyclopedia 理学层侵纪释 Rhyacian Period层侵纪距今23亿～20.5亿年的地质时期。
随便看	Brocard triangle Broca's aphasia Broca’s aphasia Broca’s area Brocchi's Cluster broccoli broccolini Broch brochure Brockhouse, Bertram Neville brodie-trendelenburg test brodifacoum Brody Brody formula Broglie broiler broiler chick broiler slaughtering equipment Brokeback Mountain broken broken-beam technique broken black tea broken bracket broken chainage broken curve

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。