The only time you'll see system degradation is when it starts to page.

唯一的一次你会看到系统退化是当它开始页面。

youdao

The way was also paved for urban renewal around some of the stations—many quite dilapidated due to the degradation of the rail system.

它还为某些车站周围的城市复兴打下了基础。 许多这些地方都曾因轨道系统的退化而相当破败。

youdao

The aim of the field experiment was to investigate to what extent such a system could prevent soil degradation resulting from very intensive crop rotations.

此次田间试验的目的，是研究这一方法能在多大程度上防止由于精细的作物轮作所产生的土壤退化。

youdao

He says the global economy must change to a sustainable system now before social issues and ecological degradation become overwhelming.

VOA: standard.2010.01.23