for a linkage shown below, the length of each link is a=25mm,b=90mm,c=75mm,d=100mm, try to determine linkage type. (1) if link ab is driving link, link ad is frame, what type of linkage is it? (2) if link bc is driving link, link ab is frame, what type of linkage is it? (3) if link bc is driving link, link cd is frame, what type of linkage is it?
编码冗余也称为信息熵冗余, 是指不同符号(值)出现的概论相同, 存在着熵冗余。
某银行存款利率的调整时间和贷款利率的调整周期不一致，所导致的风险是（ ）
构造方法是在理论指导下，进一步研究()。
对于以下代码段，正确的说法是：char *p; while (1) { p = malloc(1); *p = 0; }