“perennial stream”的概念、定义、翻译、参考文献-科学参考

单词	perennial stream
释义	perennial stream Geology and Earth Sciences A stream that would normally be expected to flow throughout the year, albeit with only small dry-weather flows in some cases. Geography A watercourse which flows throughout the year.
随便看	cDNA CDOS CDP CDP stack CD-R CDR CD-ROM CD-ROM drive CD-ROM format standards CD-ROM library CD-RW CDS CDSA CD spectrum CDTV CDW CE CE-3 Ceauşescu, Nicolae (1918–89) CEC Cecchini Report Cech, Thomas Robert cecidium Cecil, Robert, 1st Earl of Salisbury and 1st Viscount Cranborne (1563–1612) Cecil, William, 1st Baron Burghley (1520–98)

科学参考收录了60776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。