与佳明心率监测器协同工作。
您可以看到您的心率读，甚至不知道你有多久了工作。
You can see your heart rate reading and even know how long you have been working.
对机械化采煤工作面的采煤机司机和支柱工的劳动心率和能量代谢进行了现场实测。
The heart rate and energy metabolism rate of shearer operators and prop-setters during labour at coal face are measured at work site.
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