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写出代码表达的含义。void write_com(unsigned char com){RS = 0;RW = 0;P0 = com;EN=0;EN = 1;delay(5);EN = 0;}
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[音频]Nowyou'llhearthetwolongconversations.ConversationOne19.A.HehadthoughtChicagowasayoungcity.B.HehadthoughtthatChicagowasverylarge.20.A.FortDearbornwasbuiltin1833intheplacethatwouldbecomeChicago.21.A.Itwasin1893whenChicagowasstillasmalltown.22.A.TheywillreviewtheseminarthisweekonChicagotogether.
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在Lab颜色模式中,L代表光亮度分量,范围为0-难易程度:中00(L=0,黑色;L=难易程度:中00,白色),a代表从( )的光谱变化。
相对于RGB调色,Lab颜色模式色域最广,Lab调色的最大优点是( )
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