生产日期：
date of manufacture或者date of production也可以表示；
保质期：
quality guarantee period或者expiry date；
例句
1.注意生产日期和储存方式。
Pay attention to the production date and the storing way.
2.标识及样品：一般以产品批号、生产日期、保质期等标识产品。
In6, mark and sample: general to product batch number, production date, shelf life identification products.
3.选购是注意包装完整，有明确的生产日期和生产厂家。
Purchase products with complete package and specific date of manufacture and manufacturer.
4.主要用于标记产品的生产日期、批号。
Is mainly used for marking the production date, batch number.
5.食用经过辐射杀菌处理、延长了保质期的食品是安全的。
It's safe to eat foods that have been irradiated to prolong their shelf life.
6.为了确定木糖醇酸奶的保质期，本实验对该种酸奶在发酵过程和贮藏期间的质量变化进行了研究。
To determine the shelf life of xylitol yoghurt, its quality changes during fermentation and storage were investigated.
7.检查你的药品和洗手间里的柜子，扔掉那些过了保质期的药品和化妆品。
Go through your medicine and bathroom cabinets and discard any medicinesand toiletries that are past their prime.
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