zero beat indicator

例句：

1. 1. Thezero beat indicator is used to measure the heart rate of athletes during exercise.
   零拍子指示器用于测量运动员在运动时的心率。
2. 2. During the recording session, the zero beat indicator was crucial in ensuring accurate data collection.
   在录音期间，零拍子指示器对于确保数据准确收集至关重要。
3. 3. The zero beat indicator helped us understand the rhythmic patterns of the participants' movements.
   零拍子指示器帮助我们理解了参与者动作的节奏模式。