17. To have a useful life, even the hottest quartz-halogen incandescents have to operate well below the filament's melting point.
为了在日常生活中达到效用，连最热的石英卤素灯运行时也不得不适当地低于其灯丝的熔点。
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18. "It's a scheduled management of assets that lines up with depreciation but also with stability and the usefullife 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。
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19. Edge to the interests of the state, make oneself of the life as the usefullife, even if only render effect, I will have a boiling passion.
为了国家的利益，使自己的一生边为有用的一生，纵然只能效绵薄之力，我也会热血沸腾。
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20. The batteries are at the end of their useful life, suffering from sulfation, high internal resistance, and drastically lowered storage capacity.
电池是在他们最后的使用寿命，从痛苦可用、高内部阻力，大幅度降低了存储容量。
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21. ‘There’s great interest in retrofitting technologies to the building stock in order to improve the sustainability and prolong their useful life,’ added Bonser.
Bonser补充道：“我们对于这项技术在改进建筑物可持续性和增加使用寿命上抱有很大的兴趣。”
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22. PLM has to do with managing descriptions and properties of a product through its development and usefullife, 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。
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23. The estimated useful lives and amortisation method of the intangible assets with finite useful life are reviewed, and adjusted if appropriate, at each financial year-end.
对使用寿命有限的无形资产的预计使用寿命及摊销方法于每年年度终了进行复核并作适当调整。
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24. Apart from poisoning the catalytic converter and reducing its useful life, zinc and phosphorus mixed in with the exhaust gases add to the motor industry's emissions woes.
25. Apart from poisoning the catalytic converter and reducing its useful life, zinc and phosphorus mixed in with the exhaust gases add to the motor industry's emissions woes.
