control variable的用法和樣例：
例句
- In this paper, we focus on bilevel programming problem with a common decision variable in the upper level and lower level programming.
摘要主要討論上下層具有共同決策變量的一類(lèi)二層規劃問(wèn)題的求解方法。 - When the event handler ends, it sets the control variable back to zero.
事件處理程序在結束時(shí)將控制變量設置回零。
