“trees”的概念、定义、翻译、参考文献-科学参考

单词	trees
释义	trees Encyclopedia 工学〔树木造景〕释 trees树群由二三十株以上、七八十株以下的乔木为主组成的人工树木群落。可分为单纯树群和混交树群两类。单纯树群由一种树种组成，混交树群由两种以上树种组成。混交树群是园林应用的主要形式。
随便看	variational symbol variational theorem variational theory variational transition-state theory variational translation Variational Translation Theory variation between laboratories variation calculus variation centre variation coefficient variationcoefficient of orebody variation curve variation form variation in sign variation limiting matrix variation method variation of a charge variation of a function variation of a functional variation of a mapping variation of a measure variation of a metric variation of an additive function variation of argument variation of a sample

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。