“ecological water”的概念、定义、翻译、参考文献-科学参考

单词	ecological water
释义	ecological water Encyclopedia 农学农业水土工程释 ecological water生态用水在特定的时空范围内，维持各类生态系统正常发育与相对稳定所必需消耗和现存的水资源。
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。