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日本人现在制成了一种测定疲劳程度的手表,看一下该表就可测定究竟有多疲劳。该表测定人分泌汗液中的乳酸含量并指示,疲劳程度越高,乳酸的含量也越大。
The Japanese have now made a watch to measure the degree of fatigue, take a look at the table can measure how much fatigue. The table measures the amount of lactic acid secreted by the human sweat and indicates that the higher the degree of fatigue, the greater the amount of lactic acid.