man-made factors

基本解释

Rising of pore water pressure induced by some man-made factors intensifies the deformation.
一些人为因素引起的孔隙水压力升高，加剧了变形。
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"What we can do is to manage the man-made factors which cause sandstorms and the expansion of desertification, " he said.
我们所能做的就是控制产生沙尘暴的人为因素，并防止环境的沙漠化。
Factor in the sharp drop in forest resources around the world, due to natural or man-made factors causing forest area is significantly reduced.
森林资源锐减因素在世界范围内，由于受自然或人为的因素而造成森林面积正在大幅度地锐减。

man -made subjective factors 人为主观因素
Environmental and man -made factors 环境和人为因子
Exposure to other and unspecified man -made environmental factors 暴露于其他和未特指的人为环境因素下

人为因素
Grassland ecosystem is the most important and most widely distributed type of ecosystems. But it is more fragile ecosystems,easily affected by natural factors and man-made factors.
草地生态系统是陆地生态系统中最重要、分布最广的生态系统类型之一,由于自然因素和人为因素的影响,同时也是比较脆弱的生态系统。