英语释义

1. the amount of time during which something is in good enough condition to be used
the useful life of a satellite

2. an estimated amount of time during which an asset or facility will yield income or be useful — see also depreciation sense 1

片语

useful l life使用期限

useful in life有作为

Useful service life有效使用寿命

aircraft useful economic life飞机经济使用寿命

useful creep life有效蠕变寿命

useful time使用寿命，使用时间

cable useful-life电缆寿命

period of validity有效期

useful wear life使用磨损寿命

Useful working life堪用工作寿命

英汉例句

• susan began to believe that she would lead a useful life finally.

  苏珊开始相信，她最终会成为一个有用的人生活下去。

• for a specific investment such as a power plant, for example, the planning horizon might correspond to the useful life of the project.

  对于一个特定的投资，例如像发电站，这个计划界限可能与有益生命的项目有关。

• some of the alternatives have higher initial purchase prices than pvc products, but are actually less expensive over the useful life of the product.

  有些替代产品的最初购买价格要比pvc高，但事实上从整个产品的使用期来考虑反而要低。

• 「it's a scheduled management of assets that lines up with depreciation but also with stability and the useful life of the boxes,」 he says.

  「这不仅仅和产品折旧一致的既定的资产管理而且也和服务器的稳定性和可用生命周期有关」他说。

• objects coated with paint brands to the top ten, forming a protective film, can prevent or delay the occurrence and development of damage, so that extend the useful life of various materials.

  物件外表涂以十大涂料品牌，形成一层保护膜，能够阻止或延迟这些破坏现象的发生和发展，使各种材料的使用寿命延长。

• if that happened to a detector, its useful life would be short.

  如果这样的话，那这个检测装置的寿命就会很短。

• the tips below show how you as a driver can support the engine oil in its many tasks and thus increase the useful life of the engine.

  下面的要点，表明你作为一个司机如何需要执行多种任务的发动机油，从而提高了发动机的使用寿命。

• making symbian open source may stop some of the hemorrhaging of market share symbian has experienced, and it is almost guaranteed to extend the useful life of the platform.

  开源symbian可能会在一定程度上延缓symbian正在丧失的市场份额，同时会延长这个平台的寿命。

• carbon dioxide, once released, stays in the atmosphere and continues to have a warming effect for about a century, and industrial infrastructure is built to have a useful life of several decades.

  二氧化碳一旦被释放出来，就会留在大气层中，在一个世纪左右都会持续产生温室效应，但工业设施的使用寿命才有几十年。

• but equipment has a useful life and a planned replacement schedule that is designed to make the best use of funds.

  但是设备有使用周期和一个计划好的替换时间表，旨在确保物尽其用。

• long-term assets are characterized by highly economic values, physical and nonphysical substance, useful life of more than one accounting period.

  长期资产有如下特征：经济价值高，具有实物形态或不具有实物形态，使用年限超过一个会计期间。