飞秒 fēi miǎo

femtosecond, fs, 10^-15 s

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. femtosecond, fs, 10^-15 s

Characters

Character Meaning
飞 fēi HSK 1
to fly
秒 miǎo HSK 4
second (unit of time); (coll.) instantly