UCOS－II的多任务处理能力。共有10个任务在屏幕随机的位置上显示一个0－9的数字。每个任务只显示同一个数字，也就是其中一个任务在随机位置显示0，另一个显示1-UCOS-II' s ability to handle many tasks. A total of 10 mission at a random location on the screen shows a figure of 0-9. Each mission only shows the same figure, that is, one mission at a random location 0, and the other one and so on show