abstract community unit的用法和样例：
- MODULE 7 Communications Unit 1 How do you send an E-mail?
- Abstract Community characteristics of soil macrofauna are related with many environmental factors, the surface vegetation is the most important one which provides feasible condition for soil faunas.
摘 要 土壤动物的群落特征与多种环境因子有关。地表植被给土壤动物提供生存必须的条件，是与土壤动物群落关系最为密切的环境因子。
- Nova Community United Methodist Church - Includes newsletter, service schedule, and event calendar.
- Its core was a radio communications unit to allow the corps commander to talk to his divisions and higher headquarters.