秒表计时器，具有记时、暂停记时和归零功能。 特别适合作为Flash对象插入到幻灯片中，在幻灯片放映时作为记时定时之用。-Stopwatch timer, has in mind, the suspension of time and return-to-zero function in mind. Particularly suitable as a Flash object into the slide, in slide sho