The practical value of knowledge resources possesses popularity , duality of exhaustiveness and non exhaustiveness , and expansivity . The exchangeable value of knowledge resources has non equal valuableness , duality of non stability and stability , and expansibility .

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;知识资源的交换价值具有不等价值性、非稳定与稳定二重性和膨胀性。