A functional test for a shopping cart would ensure that you could add an item to a cart through a post to a Web page.

购物车的功能测试可以确保您能够通过登录某一web页面将商品添加到购物车中。

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In practical terms, you express the functional requirements in terms of a data structure and pre- as well as post-conditions.

从实践上来看，功能需求是根据数据结构和先决/后决条件来表达的。

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The feasibility and development prospect of preservative and antioxidant used in preservation, packing gases and functional packing of post—harvest fruits and vegetables are discussed in this paper.

本文探讨了将防腐剂、抗氧剂用于水果、蔬菜采摘后防腐保鲜、包装气体，功能性包装材料的可能性与发展前景。

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Because Talkeetna is a "historical district, " the mayoral post is more symbolic than functional, said Andi Manning, president of the Talkeetna Chamber of Commerce.

CNN: Mayor of Alaska village walks on four paws