“We know that the force value changed,” said Heidi A.Orloff, a professor at the University of Puget Sound who oversaw the study.“We can't say whether there are benefits to that or not.

我们知道力量值虽有了变化，但我们很难说是否有作用，”研究的负责人Puget Sound大学教授，海蒂A奥洛夫教授说。

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“We know that the force value changed,” said Heidi A.Orloff, a professor at the University of Puget Sound who oversaw the study.“We can't say whether there are benefits to that or not.

我们知道力量值虽有了变化，但我们很难说是否有作用，”研究的负责人Puget Sound大学教授，海蒂A奥洛夫教授说。

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