footprinting

1. 1.

   Any of several techniques for the identification of a member of a class of things, based on some distinguishing feature.

   基于某种区别性特征识别某类事物中某一成员的任何一种技术。

2. 2.

   An assessment of the ecological impact of human activities.

   对人类活动生态影响的评估。

对人类活动生态影响的评估。；足迹法