first in first out

• 一种方法或原则，即最先到达或最先创建的元素最先被处理、使用或删除；广泛应用于库存管理、计算机科学（数据结构）和排队系统。

A method or principle where the first item to arrive or be created is the first to be processed, used, or removed. Commonly applied in inventory management, computing (data structures), and queue systems.

1. Inventory management methodB2formal

   A method of inventory valuation where the items that are produced or acquired first are sold or used first.

   先进先出法

   • The warehouse uses a first in first out system to manage stock.
   • FIFO ensures that older products are sold before newer ones.
   • The accountant calculated the cost of goods sold using the first in first out method.

2. Data processing principleB2formal

   A method of organizing and manipulating data where the first element added to a queue is the first one to be removed.

   先进先出

   • The printer processes jobs on a first in first out basis.
   • In this algorithm, data is handled using a first in first out queue.
   • The system uses a first in first out approach to manage requests.