1 s = 10⁰ s 1 ms = 10⁻³ s 1 µs = 10⁻⁶ s 1 ns = 10⁻⁹ s 1 ps = 10⁻¹² s 1 fs = 10⁻¹⁵ s ⏱️ 时间单位(十进制) 符号单位名称10 的幂次s秒(second)10⁰ms毫秒(millisecond)10⁻³µs微秒(microsecond)10⁻⁶ns纳秒(nanosecond)10⁻⁹ps皮秒(picosecond)10⁻¹²fs飞秒(femtosecond)10⁻¹⁵