Active duration

• 活动时长

Active duration的用法和样例：

例句

1. To maximize concurrency in a program, we must minimize the frequency and duration of lock acquisition.
   为了使程序中的并发效用最大化，必须最小化锁定获取的频率和时长。
2. On one hand, your creativity may be challenged by the lack of autofocus, the limited shot duration and the enormous file size.
   一方面，你的创造力可能会因自动对焦的缺阵，会因有限的拍摄时长和庞大的文件体积而受到挑战。