“activity ratio”的概念、定义、翻译、参考文献-科学参考

单词	activity ratio
释义	activity ratio [´ak`tiv·ǝd·ē ´rā·shō] ^{COMPUTER SCIENCE} The ratio between used or modified records and the total number of records in a file. ^GEOLOGY The ratio of plasticity index to percentage of clay-sized minerals in sediment.
随便看	color circle color class color code color coder color-color diagram color comparator color contamination color control color correction color decoder color-difference signal color disk colored smoke color emissivity color encoder color equation color excess color facsimile colorfast color film color filter color-filter effect color force color fringing colorimeter

科学参考收录了103327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。