American wearable technology companies use fitness trackers to provide volunteers participating in COVID-19 vaccine trials to check parameters such as heart rate, respiratory rate, heart rate variability, and sleep to assess any changes in their health...
美國可穿戴技術公司運用健身追蹤器提供給參與COVID-19疫苗試驗的志願者，檢查諸如心率、呼吸、心率變異性和睡眠等參數，以評估其健康狀況的任何變化...
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