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.
互联网
Copyright © mingxiaow.com All Rights Reserved.版权所有
本网站内容仅供参考,请以各学校实际情况为主!
工信部备案号:浙ICP备20019715号