“衰老更新期”的概念、定义、翻译、参考文献-科学参考

单词	衰老更新期
释义	衰老更新期 Encyclopedia 农学﹝经济林生长发育规律﹞释 renewing period衰老更新期从产量出现连续下降，经济林树木生长势开始逐渐减弱，直至几乎没有经济产量为止的这段时期。又称更新复壮期、变产更新期。
随便看	thematic activity in kindergarten Thematic Apperception Test thematic atlas thematic chart thematic conceptual matrix thematic decision of mega project thematic dictionary thematic element data acquisition thematic geographic information system thematic geological survey thematic guide thematic map thematic map color index thematic map content design thematic map mathematical model thematic mapper，TM thematic map structure pattern thematic map symbol thematic map symbolization thematic photography thematic relation thematic research strategies thematic role thematic role assignment thematic role relation

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。