“fresh-water ecosystem”的概念、定义、翻译、参考文献-科学参考

单词	fresh-water ecosystem
释义	fresh-water ecosystem [`fresh ´wōd·ǝr `ek·ō´sis·tǝm] ^ECOLOGY The living organisms and nonliving materials of an inland aquatic environment.
随便看	phase reversal phase reversal modulation phase-rotation relay phase rule phase-sequence relay phase shift phase-shift circuit phase-shift control phase-shift discriminator phase shifter phase-shifting transformer phase-shift keying phase-shift mutation phase-shift oscillator phase solubility phase-solubility analysis phase space phase speed phase splitter phase stability phase titration phase transfer catalysis phase transformation phase transformer phase transition

科学参考收录了103327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。