用C#语言，实现时间差计算，即是任意2个日期（阳历）之间的秒数差值。-With the C# language, to achieve the time difference, that is to be any two dates (Gregorian calendar) the difference between the number of seconds.

利用51单片机与霍尔传感器连接，检测两次接收到信号之间的时间差，并显示在5位数码管上-51 and Hall sensor is connected, the test twice received the time difference between the signal and displayed on five digital tube

C# delegues 事件委托实例，显示鼠标点击左键和右键的时间差-C# delegues event delegate instance, shows a mouse click left and right of the time difference