短跑电动计时器的研制

Research and manufacture on Dash Electrograph

本文叙述的是科技开发项目《短跑电动计时器》的研制与原理,该项目已研制出样机一台,并在实际中运用,取得了较好效果。

The paper describes the item for the development of science and technology-the research and manufacture and the principle of dash electrograph. A prototype machine has been made and put it into practical use,it has gotten a good result.