>Develop policies to control any short- or long-term "environmental effects" of the harvesting.</P>
>是环境影响收益还是收益影响环境??</P>
>我参加MCM的,正好看见,就帮帮你</P><
>很明显,从语法分析,中心词应该是前者</P><
>qq:57788670</P>[em05]
| 欢迎光临 数学建模社区-数学中国 (http://www.madio.net/) | Powered by Discuz! X2.5 |