工频

Traditional form:

工頻

Pinyin (reading):

gōngpín

Definitions:

• utility frequency
• power frequency
• mains frequency

Characters:

• 工 - labor, work; laborer, worker
• 频 - frequency; repeatedly, again and again

Traditional characters:

• 工 - labor, work; laborer, worker
• 頻 - frequency; repeatedly, again and again