?密闭植被
... 密闭系 closed system 密闭植被 closed vegetation 被覆 clothing ...
?密生群落
... 闭锁循环 closed circulation 密生群落；密闭群落 closed community; closed vegetation 密生群系；密闭群系 closed formation ...
?密生群莒
封闭维管束 closed vascular bundle; definite vascular bundle 密生群莒；密闭群落 closed vegetation; closed community 闭锁脉序 closed venation ..
?密闭群落
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。