The high-speed trigger sets off the flashes when the ambient sound volume goes over a certain level.

高速触发器在环境音量超过特定的水平时启动闪光灯。

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The high-speed trigger sets off the flashes when the ambient sound volume goes over a certain level.

高速触发器在环境音量超过特定的水平时启动闪光灯。

youdao