Useful life : Store in the above environment this product useful life is30 months .

有效 期在上述环境下贮存，本产品有效期为30个月。

Then the system can be safely repaired and refactored throughout its useful life .

这样，系统即可在其 有用 的 生命 周期中安全地进行修复和重构。

To force someone to resign or retire at60 or65 indicates that society does not value the input of these people and that effectively their useful life is over .

若要强迫某人辞职或在60或65岁退休表示社会不值这些人的投入和有效地 使用 寿命已经过去。

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。

Can 't wiped off by alcohol clear font long useful life .

防酒精擦式，字体清晰不掉落， 使用 寿命长。

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。

All plant assets except land are depreciated over their estimated useful life .

除了土地以外的所有的固定资产都要按照估计的 使用 寿命折旧。

( of persons ) restored to health or useful life .

（指人）恢复健康和 有益 的 生活的。

The value of the machinery is amortized over its estimated useful life .

机器的价值在其预计 使用 寿命期内摊提。

Remaining safety and useful life of high temperature components are always degraded by service induced material damage including creep thermal fatigue over heat oxidation carburization etc.

高温构件在服役过程中所受到的损伤，如蠕变、热疲劳、过热氧化和渗碳等时刻都在缩短高温构件的 使用 寿命和剩余安全裕度。

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。

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。

But for other long-term expenses you have to amortize them over the useful life .

但是对于其他的长期待摊费用，你必须根据 使用 年限进行摊销。

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。

Some plastics are designed to rot or biodegrade when their useful life is over .

有些塑料被设计成在它们 有效 寿命结束时可以腐烂掉或生物降解掉。

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。

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。

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？

This paper links the history of teaching students the actual conduct of the useful life of exploration and practice .

通过教学实践，我认为把历史与现实结合，让历史贴近学生的 生活是一种 行之有效的方法。

Generally accepted accounting principles require only that a depreciation method result in a rational and systematic allocation of cost over the asset 's useful life .

通用会计准则只规定了选用的折旧方法必须将成本在资产 使用 年限内进行合理、系统的分配。

A way of tracking the useful life of media .

跟踪媒体的 可用 生命 周期的方法。

Allocation of depreciable amount of an asset over its estimated useful life ;

资产的估计 使用 年限分配其应计折旧数额；

PLM has to do with managing descriptions and properties of a product through its development and useful life mainly from a business and engineering point of view .

主要从业务和工程角度来看，PLM必须在产品的开发和 有效 生命 期内管理其描述和属性。

Susan began to feel that she too would finally be able to lead a useful life .

苏珊开始相信，她会 活 下去，并最终成为一个 有用 的 人。

Am I living an honest and useful life ?

我活得诚实而 有 意义 吗？