(a) a photoelectric timer for regulating exposure time in radiography; (b) a timer for races incorporating a camera which photographs the finish.
| 单词 | θ235604 |
| 释义 | society > leisure > sport > types of sport or game > racing or race > [noun] > timer (1) phototimer1942 (a) a photoelectric timer for regulating exposure time in radiography; (b) a timer for races incorporating a camera which photographs the finish. |
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