电动机在额定电压-10%到+5%之间变化,可长期运行,其出力不变。
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Componential analysis is based on the belief that the meaning of a word cannot be dissected into meaning components, called semantic feature.
A. 正确
B. 错误
针对8位二进制数,下列说法中正确的是()
A. –127的补码为10000000
B. –127的反码等于0的移码
C. +1的移码等于–127的反码
D. 0的补码等于–1的反码