“penumbra”的概念、定义、翻译、参考文献-科学参考

单词	penumbra
释义	penumbra Physics 光学、声学光学 penumbra半影 penumbra半影^† Mathematics penumbra半阴影 Astronomy penumbra半影 Computer 计算机应用计算机辅助设计与图形学释文 penumbra半影区
随便看	OPE Opem and Saamlua, A Narrative Song of the Dai people open open access Open Access Journal Open Access Publishing Open-air Museum Display at Skansen open-air radio telescope open-air stage open-air telescope open air theater open airway open-and-closed set open-and-closed subset open and cut method open arc open arc crater open architecture framework open architecture framework, OAF Open Archival Information System open archival shelves open archives initiative protocol for metadata harvesting open area-test site open ball open base

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。