Light waves are synchronized, the beam is a wave train.

光波是同步的，整个光束是一个波列。

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This research is mainly composed of two parts: one is the electrocardiosignal collection system composed of hardware circuit while the other is the R-wave synchronized detection.

本研究主要包括应用硬件电路构成的心电信号的采集系统和R波同步检测。

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An analogy from nature might be a flock of birds on the ground becoming startled and taking flight in a synchronized wave.

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