改革开放以来 ,我国不断调整和完善所有制结构 ,确立了以公有制为主体、多种所有制经济共同发展的基本经济制度。坚持和完善这一制度要求毫不动摇地坚持“以公有制为主体”。对此 ,可着重从以下几个方面理解和把握 :第一 ,“以公有制为主体” ,一方面否定了过去实行的单一公有? Since the reform and opening up, China has continuously adjusted and improved the ownership structure, and established a basic economic system that uses public ownership as the main body and multiple ownership economies to develop together. Adhering to and perfecting this system requires unwavering adherence to “taking public ownership as the main body.” This can be understood and grasped from the following aspects: First, “taking public ownership as the main body”, on the one hand, negates the single public ownership practiced in the past?