一些时间长度的定义

Posted on November 1, 2006 by amo

毫秒，符号ms(millisecond)          1000ms=1s


微秒，符号μs(microosecond)     1000μs=1ms


纳秒，符号ns(nanosecond)         1000ns=1μs


皮秒，符号ps(picosecond)          1000ps=1ns


 


3.3纳秒 — 光传播一米所使用的时间
33微秒 — 人能够听到的最高频率的声音的周期

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