nanohertz
释义与例句
n.
-
1.
A unit of frequency equal to one thousand-millionth (10⁻⁹) of a hertz, about once every 32 years
物理
词源
From nano- + hertz.
来源：wiktionary
A unit of frequency equal to one thousand-millionth (10⁻⁹) of a hertz, about once every 32 years
From nano- + hertz.
来源：wiktionary