“preservation class”的概念、定义、翻译、参考文献-科学参考

单词	preservation class
释义	preservation class Mathematics preservation class保持类
随便看	local base local basis local behavior of solutions local best-first search local Betti group local bias model local bifurcation local bifurcation theory local binary patterns，LBP local binding update local biologies local borehole-wall complete stress relief method local Borel set Local Bubble local building materials utilization local bus local calculus local canonical parameter local category local cell local characteristic local chart local chronicles Local Chronicles of Guangdong in Qing Dynasty Local Chronicles of Henan

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。