250-MOVR7-将十进制数250赋给寄存器R7
Multiple Choice Questions The resistance of a metal conductor increases with increasing temperature....
Multiple Choice Questions The resistance of a metal conductor increases with increasing temperature....
一、单选题 1.金属导体的电阻值随着温度的升高而()。 A:增大 B:减少 C:恒定 D:变弱 正确答案...