The physical stamina required for this sport is intense but the psychological demands are even more overwhelming.

这项运动需要很强的身体耐力，但对心理上的要求更是压倒性的。

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Recent LVM2 developments allow a logical volume to sport high-availability features by having two or more mirrors each which can be placed under different physical volumes (or different devices).

最近的 LVM2 开发成果为逻辑卷提供了高可用性。 逻辑卷可以有两个或更多的镜像，镜像可以放在不同的物理卷（或不同的设备）上。

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A mountain climber knows that he may have to fight with natural forces that are stronger and more powerful than man. His sport requires high mental and physical qualities.

一个登山者知道，他们也许要跟比人类更强大，更有力量的自然力相抗衡，因此，这项运动要求更高的心理和身体素质。

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In a real way, baseball, which proceeds rather leisurely, may actually be a more difficult physical sport to play than all the back-and-forth games.

NPR: Sticking with the National Pastime While It's Down

Mr. Schwazer said Wednesday he struggled to cope with the pressures of his newfound stardom in the wake of Beijing, particularly the physical demands of competing more often in an endurance sport he says he didn't enjoy.

WSJ: Menu

Mr. YONG: (Through translator) From physical size to reaction time to dexterity, I think table tennis is a more suitable sport for Asians.

NPR: Pingpong: A Chinese Obsession