“郎静山”的概念、定义、翻译、参考文献-科学参考

单词	郎静山
释义	郎静山 Encyclopedia 艺术学摄影家释 Lang Jingshan郎静山（1892-06-12～1995-04-13）中国摄影家。
随便看	logical sum logical symbol logical synthesis logical system logical term logical theory logical tracing logical treatment logical truth logical type logical unit logical variable logical volume logical vulnerability attack logical “and” logical “not” logical “or” logic analysis logic analyzer logic-based agent logic bomb logic circuit logic disjunction logic dynamic system logic element

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。