Time clock

（重定向自Timeclock）

Early time clock, made by National Time Recorder Co. Ltd. of Blackfriars, London at Wookey Hole Caves museum.

A time clock, sometimes known as a clock card machine or punch clock or time recorder, is a mechanical (or electronic) timepiece used to assist in tracking the hours worked by an employee of a company.

In regard to mechanical time clocks this was accomplished by inserting a heavy paper card, called a time card, into a slot on the time clock. When the time card hit a contact at the rear of the slot, the machine would print day and time information (a timestamp) on the card.

单词	Timeclock
释义	Timeclock 原声例句 A-level part-1 But the point is the man was clocked in at 8 o'clock. We have John standing by the timeclock, and he swears he saw nothing irregular. 但是问题是，这个工人在8点时打了卡。我们让约翰负责看着打卡机，他发誓没有看到任何异常。英语百科 Time clock （重定向自Timeclock） A time clock, sometimes known as a clock card machine or punch clock or time recorder, is a mechanical (or electronic) timepiece used to assist in tracking the hours worked by an employee of a company. In regard to mechanical time clocks this was accomplished by inserting a heavy paper card, called a time card, into a slot on the time clock. When the time card hit a contact at the rear of the slot, the machine would print day and time information (a timestamp) on the card.
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