“Ringelman's smoke chart”的概念、定义、翻译、参考文献-科学参考

单词	Ringelman's smoke chart
释义	Ringelman's smoke chart Chemistry ＞环境化学＞大气环境化学＞释义 Ringelman's smoke chart林格曼烟尘浓度图
随便看	exact number exact organization scheme exact pair exact penalty function exact penalty method exact period exact row exact sampling exact sampling theory exact science exact search exact sequence exact solution exact square exact symplectic mapping exact test exact trace exact triangle exact trilinear coordinate exact value EXAFS exaggerated modify Exaltation of the Holy Cross examination examinational and approval system for the admission of foreign investment

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。