求51单片机的C程序,就是键盘控制这个一位七段数码管,按键按1按下数码管...答:unsigned char code LED7Code[] = {0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F,0x77,0x7C,0x39,0x5E,0x79,0x71};unsigned char ledx[8];bit s0,s1;void delay(uchar z){ uchar i,j;for(i=0;i<120;i++)for(j=0;j<z;j++);} void scan() //要是按键...
求C大7 和弦 C小7和弦 C属七和弦正确书写方式 和 构成音!!! 1 3...答:(1) C大七和弦 【Cmaj7】:C,E,G,B (即C调中的1,3,5,7)(2) C小七和弦 【Cm7】:C, bE, G, bB(C调中1,b3,5,b7 )(3) C属七和弦 【C7】:C, E, G, bB(C调中1,3,5,b7 )后面楼主所说的1+3+5+b7正是属七和弦。