作业技术活动结果检验程序为( )。

A．输入→转换→产出

B．实测→分析→判断→纠正或认可

C．实测→判断→分析→纠正或认可

D．旁站→量测→分析→判断→认可或纠正

The extension of the after part of the keel in a single-screw vessel upon which the stern post rests is called the（）.

A.boss

B.knuckle

C.skeg

D.strut