1. A date stamp in a database record is the field that defines the date on which the record was created or modified (compare Ftime stamp). 数据库记录中的日期截是创建或修改记录日期的定义字段（比较F时间截）。
2. On may 6, 1840, post office throughout england begin to sell stamp " one penny " black stamp and " two pence " blue stamp. 1840年5月6日，全英国的邮局开始发售邮票-一便士的黑色邮票和两便士的蓝色邮票。
3. Date/Time Group (DTG) (field W) Indicates the symbol's date and time stamp. 日期时间分组（W区域）标识符号的日期时间标记。
4. Forging or blurring the production date, safe use date or expiry date of a commodity. 伪造或者模糊标注生产日期、安全使用期或者失效日期等。
5. Invalid date}The starting date must precede the finishing date. {日期无效}开始日期必须在完成日期之前。
