????“????”!??!?????

????:??????:???????????

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??????????,??????3D??,????????????????,?,??????,???3D???

??????????,??3D?,????????????????????????????????,???????,?????,??????????,???

???? ??:??????????????,70%???????????,????????????????????????,?????

?????????,????????,????“???????????????????”????????????,?????????????????????????????????????,???????????????,????????????20%????????30%???,?????

???? ???????????????????:??????“??????????????”???????30??????????????40??????,????????“??”????,????????????????????20%-30%?

???,?????7????????????24?????,??????

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