求翻译：它具体地论述了实践及其在认识过程中的地位和作用，强调人类的生产活动是最基本的实践活动，它决定其他一切活动；社会实践有阶级深刻的影响；实践是认识的来源和推动认识发展的动力；是什么意思？

It specifically discusses the practice and in the process of understanding the position and role that human activity is the production of basic practice, it determines all other activities; social practices have a profound impact on the class; practice is a source of knowledge and promotion knowledg

It specifically addresses the practice in the process and its awareness of the status and role, and stresses that human production activities are the most basic practical activities, it decided that all other activities; social practice; practice class profound impact on the awareness and promotion

It elaborated the practice and in the understanding process status and the function specifically, emphasized humanity's production activity is most basic practice, it decides other all activities; The social practice has the social class profound influence; The practice is the understanding origin a

It specifically addresses practices and its position in the process of cognition and action, stressed the practice of production activities is the most basic of human activity, it determines all other activities, profound impact on the social practice class; practice is the power source of knowledge

It specifically addresses practices and its position in the process of cognition and action, stressed the practice of production activities is the most basic of human activity, it determines all other activities, profound impact on the social practice class; practice is the power source of knowledge