利用电子技术制作了多光感应测量仪, 实现了物体运动起始计时和连续测量时间的要求Z关键词: 多光感应测量仪; 光电传感器; 计时器Abstract: Them u lt i2ray induct ivem easu ring apparatu s ism ade ou t of elect ron ic techno logy. It can reckon the beginn ing t im e of a mo t ion ob ject and con t inou sm easu ring t im e.Key words: m u lt i2ray induct ive m easu ring apparatu s; pho toelet ric sen so r; t im er