system date系统日期月/日/年 system time系统时间小时/分钟/秒 3.Password(密码设置)选项用户可以在其中设置开机密码超级用户密码和硬盘密码IBM笔记本电脑的密码非常难以破解，安全性很...
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“美洲豹”标准推进系统是可提供2.5小时飞行时间的充电电池。
Puma's standard propulsion system comes equipped with rechargeable batteries with a listed flight time of 2.5 hours.
根据系统的不同，停用时间从30 - 45分钟到几小时不等。
This downtime could be anywhere from 30-45 minutes to several hours, depending on the system.
升级流程所需的时间最长可达 1 个小时，这取决于系统的速度和执行的升级类型。
This can run for up to an hour, depending on the speed of your system and the type of upgrade you are performing.
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