man-made factors

• 人为因素

man-made factors的用法和样例：

例句

1. Many such extinctions are due to natural forces, while others are due to anthropogenic factors.
   许多这类的灭绝是由于自然力量的，而有些则是由于人为因素。
2. This parer discussed the human factors in the accidents by the anslysis of examples.
   运用实例综合分析论述了安全事故中的人为因素。