light-degradation system 光降解体系
gracefully degradation system 优美劣化系统
Decolorization and degradation system 脱色降解体系
simple homogeneous degradation system 简单均相降解体系
complex homogeneous degradation system 复杂均相降解体系
system degradation loss 系统衰落损失
system-degradation loss 系统降级损耗
degradation index system 退化指标体系
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。
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。
The nanoparticles shield the antigens from degradation, meaning they stay in the system much longer, so they can be delivered at fewer intervals and at lower doses.
纳米级尺寸的颗粒使得包裹在其上的抗原不被降解，意味着他们可以在人体系统中存在更长时间，这样可以减少给药次数和剂量。
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