Setter

setter n 1 any of several breeds of long-haired dog, trained to stand motionless when it scents animals or birds being hunted 蹲伏猎狗（毛长,经训练嗅到猎物蹲伏不动以助猎）. =>illus at App 1 见附录 1 插图, page iii. 2 (often in compounds 常用以构成复合词) person or thing that sets sth (in various meanings of set) （set各词义所指的）人或事物 the setter of an examination paper 试卷命题人 a `type-setter 排字工人 a trend-setter 新潮倡导人.

调节器，给定装置