For instance, an I/O upgrade in a rack-mount server requires a card swap which takes more time and effort and also requires system down-time.

例如，机架型伺服器的I/O连接埠升级需要进行一项卡抽换，这样做既消耗时间、精力，也要求系统停机。

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For instance, an I/O upgrade in a rack-mount server requires a card swap which takes more time and effort and also requires system down-time.

例如，机架型伺服器的I/O连接埠升级需要进行一项卡抽换，这样做既消耗时间、精力，也要求系统停机。

youdao