valid date

基本解释

The testValidDate() method tests the valid date on the form and makes sure the message that provides the user's age is correct.
testValidDate() 方法测试表单上的有效日期，确保提供用户年龄的消息是正确的。
The thermal code printer is used to print out the manufacturing date, batch number, and valid date. The printing work can be finished at same time.
可选配高效率打码系统，打印制造日期、批号、有效期限、同时完成。
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Regarding some products with special request, we need to conduct related test and check as per food hygiene & safety standard such as produce date, valid date, Chinese signage and so on.
对一些有特殊要求的货物应按照食品卫生安全制度进行相关的测试及检查。

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