本文首先分析了现有的各种考勤方式和考勤系统-人工考勤、打卡钟考勤、磁卡考勤、IC卡考勤和指纹识别考勤等各自的优缺点。

This paper firstly analyzes existing a ll kinds of checking on work attendance management techniques and management systems, including manual, magnetic card, IC card, fingerprint etc.

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打卡钟打卡考勤记录，但需要员工每月在工卡上签名确认。

Paper card timing records with signatures from employees monthly.

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