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even poorly metallic or continuous under ambient conditions. ¼´Ê¹ÔÚÁÓÖʽðÊô»òÕß³ÖÐø´¦ÓÚÖÜΧµÄ»·¾³Ìõ¼þÏ switched between 2D electron and hole gases 2D electron and hole gases ¶þάµç×ÓºÍµç¶´ÆøÌå ÔÚ¶þάµç×ÓºÍµç¶´ÆøÌåÖ®¼äת»» |

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