一个初级的练习者常常在进攻和防守时所作的动作大大超过了必要动作。
Beginning level practitioners tend to move more than necessary on offensive as well as defensive movements.
他们必须这样做，不只是因为这是地板运动的必要动作，是因为没有好的柔软度就没办法成为顶尖的体操选手。
They have to, not only because those are compulsory skills in floor exercise, but because gymnasts can't possibly perform at a top level without proper flexibility.
这种分区消除了主机间不必要的PLOGI动作，也消除了故障的HBA对其他HBA产生影响的风险。
This zoning removes unnecessary PLOGI activity from host to host, as well as removing the risk of problems caused by a faulty HBA affecting others.
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