Ⅱ类运行下滑信号的最大偏离是多少?What is the greatest deviation of CAT Ⅱ G/S sig

Ⅱ类运行下滑信号的最大偏离是多少?What is the greatest deviation of CAT Ⅱ G/S signals?

A.1个点。1 dot

B.1/2个点。1/2 dot

C.2个点。2 dots

正确答案是1