in less than one second 在不到一个第二 ; 在不到一秒钟
He lost by less than one second.
他以不到一秒钟的差距输了比赛。
The researchers tested four contact times - less than one second and five, 30 and 300 seconds.
研究者们还测试了四种接触时长:不足一秒钟、5秒、30秒和300秒。
The average response time of the system shall be less than one second with up to 1,000 simultaneous users.
系统的平均响应时间在多至1000个并发用户时应小于一秒。
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