A doctor can check this for you; you can also monitor it yourself using a finger pulse oximeter, available in medical supply stores.
医生可以作这项检查。也可以自己用指尖脉博血氧仪来自行监测血氧含量，该血氧仪在医药用品商店有售。
With the help of pulse sensors to check up the elderly's physical fitness by GPRS transmitting abnormal signal and GPS realtime positioning to achieve monitoring integration for the elderly.
通过脉搏传感器时刻检测老人的身体状况．利用GPRS传送异常信号及GPS实时定位，实现老人的一体化监测。
With the help of pulse sensors to check up the elderly's physical fitness by GPRS transmitting abnormal signal and GPS realtime positioning to achieve monitoring integration for the elderly.
通过脉搏传感器时刻检测老人的身体状况．利用GPRS传送异常信号及GPS实时定位，实现老人的一体化监测。
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