For simple demonstration games like this, a polling mechanism works just fine.
对于像这样的简单演示游戏，轮询机制已经足够满足要求。
This is a simple demonstration of custom actions, which are useful for many other tasks.
这是一个很简单的自定义操作演示，对于其他许多任务都十分有用。
Looking for a simple, quick demonstration of forces and acceleration in circle motion?
看过一简单、快速的演示圆周运动中力和加速度的变化吗？
Looking for a simple, quick demonstration of forces and acceleration in circle motion?
看过一简单、快速的演示圆周运动中力和加速度的变化吗？
应用推荐