periodic inventory

例句：

1. 1. The company maintains a periodic inventory of its products to ensure availability.
   该公司定期盘点其产品以确保供应。
2. 2.During the holiday season, retailers often need to restock their periodic inventory.
   在假日季节，零售商经常需要补充他们的定期库存。
3. 3. The manufacturer has a periodic inventory system in place to manage stock levels efficiently.
   这家制造商有一个定期库存系统来有效地管理库存水平。