grow and send out branches or branch-like structures;
"these plants ramify early and get to be very large"
divide into two or more branches so as to form a fork;
"The road forks"
例句
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。
