EnvironmentalIssue(環境問題) |
appearance as argument number 1 |
(documentation EnvironmentalIssue EnglishLanguage "The class of Attributes that stand for issues of environmental concern.") | Geography.kif 6819-6820 | |
(subclass EnvironmentalIssue AreaOfConcern) | Geography.kif 6818-6818 | 子類 環境問題 and 關注的區域 |
appearance as argument number 2 |