摘要:
#include int main (void) { char **a,*s[]={"123","456","789"},s1[][5]={"aaa","bbb","ccc"}; a=s; printf("%c %c",*a[1],(*a)[1]); } #include int main (void) { int a[3][3]={{1,2... 阅读全文
摘要:
$X_{0}$为$I$在$O_{0}$系的坐标${\left(\begin{array}{c}x_0 \\y_0 \\z_0 \\\end{array}\right)}$,$X_{1}$为$I$在$O_{1}$系的坐标${\left(\begin{array}{c}x_1 \\y_1 \\z_1 \... 阅读全文