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jccqqqqq:讓TI告訴你啊 (2011-09-27 23:10) x>bGxDtu*
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tangdeshuai:如果你手上有DMD芯片的話,你會(huì)發(fā)現(xiàn)DMD芯片有三個(gè)角是平的,一個(gè)角是直角,這就是芯片的“IN”標(biāo)志角,入射光線從此角方向入射。 K2yu}F