Invisible wear and tear

Influence upon products technical life span by invisible wear and tear

无形磨损对产品技术寿命的影响

As the development of science and technique , invisible wear and tear influences products technical life span more obviously .

随着科学技术的发展，无形磨损对产品技术寿命的影响日益明显。

During the probe , this paper tells the decisive function of invisible wear and tear upon products technical life span , the course of the function and measures to reduce such invisible wear and tear .

文中在对此现象进行探讨的过程中，主要论述了无形磨损对产品技术寿命的决定性作用、无形磨损对产品技术寿命的作用过程及降低无形磨损的措施。

This paper takes a point of view from the depreciation and renewal of ship , expounds the principle of invisible wear and tear , and it 's influence on the service life of ship , puts forward a method of quantative analysis .

本文从船舶折旧与更新的角度，阐明无形损耗的原理及其对船舶使用年限的影响，提出了一种定量分析的方法。

Furthermore , the paper approaches the subject of the fluctuation in foreign ship price , and the rise in domestic ship price . Then , advances a concept of " negative invisible wear and tear ", and it 's quantative analysis method .

进而探讨了国际上船价波动与国内船价上升的原因，据而提出了负无形损耗的概念以及定量分析的方法。