“power-driven system”的概念、定义、翻译、参考文献-科学参考

单词	power-driven system
释义	power-driven system Encyclopedia 工学钻井装备释 power-driven system钻机动力驱动系统为钻机起升、旋转和循环提供动力的配套设备组合。
随便看	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 fractional gain error fractional heat fractional ideal fractional independent yield

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。