Hz
n．赫兹（Hertz）：频率单位，表示每秒钟振动次数，符号为Hz。
例句
For a labrador retriever, this turns out to be 4.3 Hz.
对于一条拉布拉多寻回犬，结果弄清楚是4.3赫兹。
Refresh rates are measured in Hz, or cycles per second.
刷新率的单位是 Hz 或 周每秒。
The HZ value has been increased to 1000 for x86 architecture.
用于x86体系结构的hz值增加到1000。
