题目内容

退化生态系统可从生态系统的（）、（）、（）、（）等方面表现出其退化特征。

查看答案

搜索结果不匹配？点我反馈

更多问题

A. by the bow
B. by the stern
C. at the end nearest the bottom
D. evenly fore and aft

A. 经常账户
B. 资本账户
C. 金融账户
D. “净误差与遗漏”账户

A. center of gravity is lowered
B. center of buoyancy is lowered
C. reserve buoyancy is unchanged
D. hull freeboard is increased