“base period”的概念、定义、翻译、参考文献-科学参考

单词	base period
释义	base period [`bās ´pir·ē·ǝd] ^STATISTICS The period of a year, or other unit of time, used as a reference in constructing an index number. Also known as base year.
随便看	teletypewriter teletypewriter code teletypewriter exchange service teletypewriter signal distortion teletypewriter test tape teleutospore televiewer televise television television and radar navigation system television antenna television bandwidth television broadcast band television broadcasting television camera television camera tube television channel television emission television film scanner television interference television monitor television network television pickup station television picture tube television-radar air navigation

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。