“tiering”的概念、定义、翻译、参考文献-科学参考

单词	tiering
释义	tiering Encyclopedia 理学生态层次释 tiering生态层次在自然选择作用下，群落中生物为提高利用环境资源的能力而形成的垂直分层现象。
随便看	seed nucleus seed of life seed orchard seed pelleter seed plant seed polisher seed pregermination seed processing machinery seed production seed production area seed production of rapeseed seed production of rapeseed conventional cultivar seed production stand seed rearing seed rearing of Black grunt ，seed rearing of Hapalogenys nitens seed rearing of Boleophthalmus pectinirostris seed rearing of Chanos chanos seed rearing of Chelon haematocheilus seed rearing of Chromileptes altivelis seed rearing of Crassostrea gigas seed rearing of Crassostrea gigas angulata seed rearing of Cyclina sinensis seed rearing of echinodermata seed rearing of Epinephe lusfuscoguttatus seed rearing of Epinephelus lanceolatus

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。