YCAG ϵͳ???????ӷ???̹ܽ??????䣬???ӵ?ů?̹ܽ??????ȡ? YCAG ????Ϊ??ů?̹??ṩ??????ˮ????Ϊ?????????ͷ???????Ч???ȷ???̹ܸ????ʣ?YCAG ϵͳ???Ը????????Ҫ???ӷ???̹ܽ???????????ȣ?????̹ܿ????????ڵ???????װ??ά?????㡣