The practical value of knowledge resources possesses popularity , duality of exhaustiveness and non exhaustiveness, and expansivity.知识资源的使用价值具有广普性、非耗竭与耗竭二重性及扩张性....

n.穷尽性，用尽一切...

exhaustiveness的音标：exhaustiveness的英式发音音标为：[ɪɡ'zɔ:stɪvnəs]exhaustiveness的美式发音音标为：[ɪɡ'zɔstɪvnəs]...