名词
中文翻译：双重触发器
同义词：
['double-acting trigger', 'double-action trigger']
例句：
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1. This double trigger mechanism allows for precise control of the camera's shutter speed.
这个双触发机制允许对相机快门速度进行精确控制。
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2. The double trigger system is designed to prevent accidental discharge of the gun.
这个双触发系统设计用来防止枪支意外发射。
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3. In the movie, the double trigger was used as a plot device to create suspense.
在电影中，双触发装置被用作情节设置来创造悬念。