求翻译：实践的突破主要表现在体育产业发展开始出现四个方面的变化。一是产业运作的主体化：过去体委是“搭 台配角”，现在是经营的主体；二是产业市场的本体化：过去是“以体为主，多种经营”，现在是“本体推进 ，全面发展”；三是产业结构的立体化：过去是简单的“创收增资”模式，现在是在全方位、多层面展开；四 是产业效益的规模化：过去是收入少、效益低，现在效益有了大幅增加。是什么意思？

The breakthrough in practice mainly four aspects of change began to appear in the sports industry development. First, the main industrial operation: the Sports Commission in the past, "take a supporting role", is now operating the main body; is the body of the industrial market: In the past, to body

The breakthrough performance practice in development of the sports industry started to appear in 4 of the changes. It is an industry body, the body, in the past has been the one supporting actor." Now it is the body; 2 is the industrial market, the body: In the past, it was the "body-oriented and di

Breakthrough in practice mainly in four aspects of changes in the sports industry development began. A is industry operation of main of: past sports is "take Taiwan supporting", now is business of main; II is industry market of ontology of: past is "to body mainly, multiple business", now is "Ontolo