If the primary server fails, the standby can take over the workload very quickly (most cases in under 30 seconds).

如果主服务器失败，备用服务器就非常快速地接管工作负载(在大多数情况下，转换时间少于30秒)。

youdao

The study found that men have just seconds to impress their dates, with 45 per cent of women making up their mind in under 30 seconds.

调查发现，在这种大规模的相亲会上，男人只有半分钟的时间可用来给女人留下印象，因为45%的女人都是在30秒之内决定是否和这个男人去约会。

youdao

In under three seconds their system turned up 10 possible matches. The correct one was in the top three more than 30 per cent of the time.

在三秒钟的时间内系统就找出了10个可能的匹配项。超过30%的时间里正确的匹配都出现在前三位中。

youdao

As one of the fastest coffee machines on the market, the Piccolo heats up in 30 seconds, making each drink in under a minute!

FORBES: Back to School: Tuition and Fees Deduction

The two Ultrabooks booted up and rebooted much faster than most Windows laptops I've tested in the past, reaching a ready-to-use state, with Wi-Fi fully connected, in about 30 seconds when booting from scratch and under a minute on a reboot.

WSJ: Ultrabooks Bring Light and Speedy to Windows