Improving forest resources quality is the critical factor of solving supply of forest resources and the problem of ecological environment deterioration.
森林资源质量的提高是解决我国林木资源供给不足、生态环境恶化的决定性因素。
2
Thermal effects are a major factor in polymer deterioration.
热效应是聚合物劣化中的一个主要因素。
3
It has become an important factor for water resource deterioration that hydrologic system is impacted by farming activities.