A. one-dimensional character B. two-dimensional character C. one-dimensional integer D. two-dimensional integer
A. ‘\n’ B. ‘\0’ C. ‘E’ D. ‘\r’
A. B型 B. Z型 C. A型 D. E型
A. 直齿圆柱齿轮 B. 直齿圆柱齿轮 C. 人字齿轮 D. 直齿圆锥齿轮