Shifts in forest species composition ramify through the ecosystem in many ways because tree species have different, often unique properties.
由于树种具有不同的、往往是独特的特性，森林物种组成的变化以多种方式影响着生态系统。
这些活动将互相关联。
The optimal control is an important ramify of auto-control theory, the optimal control problem of Singular bilinear systems is studied in this paper firstly.
最优控制是自动控制理论的重要研究分支，本文首次对广义双线性系统的最优控制问题进行研究。
The optimal control is an important ramify of auto-control theory, the optimal control problem of Singular bilinear systems is studied in this paper firstly.
摘要最优控制是自动控制理论的重要研究分支，本文首次对广义双线性系统的最优控制问题进行研究。
The optimal control is an important ramify of auto-control theory, the optimal control problem of Singular bilinear systems is studied in this paper firstly.
摘要最优控制是自动控制理论的重要研究分支，本文首次对广义双线性系统的最优控制问题进行研究。
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