man made factor 人为因素
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。
These suggested social disability of the patient was a serious and general social problem, besides disease's factor, man-made factors were also important.
精神病人的社会残疾是一个严重而普遍的社会问题，所致原因除疾病因素外，人为因素亦为重要原因。
Many factors can cause lawn hollow and hole, such as soil terrene, construction technology or force majeure and man-made factors, in which soil terrene is the main and direct factor.
导致草坪凹陷、坑洼的因素是多方面的，有土壤土质因素、施工技术因素以及其他因素，如不可抗力和人为因素等，其中土壤土质因素为主要和直接因素。
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