单选题体力劳动强度指数的计算公式I=T*M*S*W*10。其中M的含义是()A8小时工作日能量代谢总值B8小时工作日平均能量代谢率C一个工作日24小时代谢总值D一个工作日24小时平均代谢率

单选题
体力劳动强度指数的计算公式I=T*M*S*W*10。其中M的含义是()
A

8小时工作日能量代谢总值

B

8小时工作日平均能量代谢率

C

一个工作日24小时代谢总值

D

一个工作日24小时平均代谢率


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