useful life

The heating system has come to the end of its useful life .

供热系统已完成了其使用寿命。

There is also able to extend their useful life .

此外也能延长其使用寿命。

Some products can be recycled at the end of their useful life .

有些产品过了有效使用年限后是可以回收再利用的。

North Sea operators kicked against legislation making them responsible for removing oil platforms at the end of their useful life .

北海的石油开采商激烈反对要求他们在石油钻井平台使用期结束之后将其移除的立法。

Depreciation is calculated and deducted from most of these assets , which represents the economic cost of the asset over its useful life .

折旧是根据大部分这些资产进行计算并扣除，表示这些资产在其使用年限内的经济成本。

Prediction of useful life of Reinforced Concrete Structure and Durability Design

钢筋混凝土结构物的使用耐久寿命预测及耐久性设计

Evaluation of useful life of silicone adhesive for certain model product

某型号有机硅胶粘剂使用寿命的评估

A way of tracking the useful life of media .

跟踪媒体的可用生命周期的方法。

The Cost of Enterprise Standard in Useful Life

企业标准寿命周期费用

If you are food , do you foster useful life ?

如果你是一颗粮食，你是否哺育了有用的生命？

Study on evaluation techniques for remaining useful life of lubricants

润滑剂剩余使用寿命评定技术的研究

A new method for prolonging the useful life of heat-conducting oil

延长导热油寿命5～8年的新方法

( of persons ) restored to health or useful life .

（指人）恢复健康和有益的生活的。

During his useful life he often felt he was useless .

在他大有作为的一生中他老是感到自己无用。

Structure Fracture and Study of Useful Life of Gantry Cranes

龙门起重机的结构断裂及使用寿命研究

Test research provided experimental basis for useful life assessment and prolongation of disk .

试验研究为轮盘定寿、延寿提供了试验依据。

The structural integrity of application software must be sustained throughout its useful life .

应用软件的结构整体性，必须贯穿于该软件的整个生命周期内。

Discussion on Design Useful Life of 100 Years of Piled Wharfs

试论高桩码头设计使用年限100年

The useful life of the equipment depend mainly on the maintainability .

设备的使用寿命主要取决于维修保养条件。

The Way to Extend to Useful Life of High-Pressure Liquid Chromatography Column

如何延长高压液相色谱柱的使用寿命

Am I living an honest and useful life ?

我活得诚实而有意义吗？

How to Evaluate Aged Bridges and Assess Their Useful Life

如何进行老龄桥梁鉴定与寿命评估

A long time , the cement concrete pavement disease affects many of their useful life .

长期以来，水泥混凝土路面的诸多病害影响着其使用寿命。

Useful life assessment for a type of turbojet engine

某型涡喷发动机使用寿命的评定方法

Specifying the value of the asset at the end of its useful life .

指定在使用期结束时资产的价值。

Main measures to extend useful life of tyre

延长轮胎使用寿命的主要措施

This alone would greatly enhance the useful life span of an insecticide .

这一作用单一的杀虫剂极大的增强了杀虫剂的有效使用周期。

The Discussion of the Useful Life of SFRC Road Pavement

SFRC路面使用年限初探

Modeling of safety assessment and useful life time of high-speed passenger car brake discs

快速列车制动盘安全评定与寿命预测模型

Reliability of crankshaft is related to working performance and useful life of internal combustion engine .

曲轴的工作可靠性直接关系到整个发动机的工作性能和使用寿命。