“二七惨案”的概念、定义、翻译、参考文献-科学参考

单词	二七惨案
释义	二七惨案 Encyclopedia 历史学政治1释 February 7th Massacre二七惨案 1923年2月7日中国直系军阀吴佩孚镇压京汉铁路工人罢工的流血事件。
随便看	fractional derivative and integral fractional differential fractional differential equation fractional differential integral equation fractional differential-integral equation fractional differential operator fractional differentiation fractional digit fractional dimension fractional distillation fractional divisor fractional drag fractional [electric] charge fractional electric charge fractional equation fractional equipment fractional equivalence fractional exponent fractional expression fractional factorial design fractional-factorial design fractional flow equation fractional Fourier transform fractional frequency fractional function

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。