周期数

Traditional form:

週期數

Pinyin (reading):

zhōuqīshù

Definitions:

• periodic number

Characters:

• 周 - Zhou dynasty; circumference
• 期 - a period of time; date, time; phase
• 数 - count, number, several

Traditional characters:

• 週 - week; turn, cycle; anniversary
• 期 - a period of time; date, time; phase
• 數 - count, number, several