“树群”的概念、定义、翻译、参考文献-科学参考

单词	树群
释义	树群 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	coaxial planes coaxial plasma gun coaxialprobe coaxial relay coaxial resonant cavity coaxial spherical system coaxial stacking coaxial system coaxial system of circles coaxial transmission photography coaxial type detector coaxial-type detector coaxial viewfinder coaxial water line coaxial window coaxing coaxis three-mirror-anastigmat camera coaxitron coaxswitch cobalamin cobalt Cobalt-60 radiation source in industry cobalt-60 room cobalt-60 teletherapy cobalt-based cast and wrought superalloy

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。