In object-oriented programming, objects include data and define its status, its methods of operation and how it interacts with other objects.

在面向对象的编程中，对象包括数据以及对其状态、操作方法和如何与其他对象进行交互的定义。

youdao

The optimization model and application of long-term operation of reservoir group of hydropower station were established in according to the system engineering and the linear programming methods.

水电站水库群长期运行优化模型及其应用，是根据系统工程的思想，应用线性规划的方法建立起来的。

youdao

There are many methods to solving interior economical operation of the hydroelectric power such as equal incremental equations method, dynamic programming and non-linear programming.

求解水电厂厂内经济运行的方法很多，如等微增率法、非线性规划和动态规划法等。

youdao