闪光灯组上装置了声音触发装置，当被摄体跳起后可通过击掌自动触发闪光灯。
A sound trigger was attached to the flash unit so that the jumper could set off the flash automatically by clapping his hands.
根据由速率方程导出的一组微分-积分方程，研究了闪光灯泵浦染料激光器PTM运转时的能量转移特性。
The energy transfer characteristics of a flashlamp pumped dye laser in PTM operation is investigated according to the differential-integral equations derived from the rate equations.
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