如果高铁想要成功运营，必须采取更严格、更有效的手段，将护路设备的活动与高铁运营分离开来。

If HSR is to be a success, more rigorous and effective means will be required to separate train operations from MOW activities.

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铁摄入量不足也会降低认知活动水平。

If there is not enough iron in-take, cognitive activity slows down greatly.

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他们说妇女经常锻炼，特别是耐力活动，通常失去铁。

They said that women who exercise regularly, especially in endurance activities, typically lose iron.

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