multithreaded dependence graph的用法和樣例：
例句
- The dependency graph contains the dependency information between the variables in the solving problem.
依賴(lài)圖中保留了求解問(wèn)題中變量間的依賴(lài)信息。 - The dependence graphs of different subprograms can be saved independently, which is easy to be reused.
各子程序的依賴(lài)圖可單獨存儲，便于重用。
