“Battle of Kalka”概念、定义、翻译-科学时代

单词	Battle of Kalka
释义	历史学词汇手册 Battle of Kalka 卡尔卡之战（1223）
随便看	psilotrichum psilotum Psilotum nudum psi particle PSI (performance security insurance) psi phenomenon psi phenomenon PSI (plasma surface interaction) psi (pounds per square inch) PSI (preshipment inspection) PSI--PSI (performance security insurance) psi--psi (pounds per square inch) PSI--PSI (preshipment inspection) psi square statistic psi system psi system psittacosis psi函数 psi方统计量 PSI（permuted subject index） PSI（personalized system of instruction） PSI （Personalized System of Instruction） PSM (proton scanning microscope) PSNCR PSNCR--PSNCR (public sector net cash requirement)

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。