Goniometer

[,gәuni'ɒmitә]

(noun.) direction finder that determines the angular direction of incoming radio signals.

埃弗雷特编辑--From WordNet

(n.) An instrument for measuring angles, especially the angles of crystals, or the inclination of planes.

艾德蒙编辑

n. an instrument for measuring solid angles indispensable to the crystallographer.

录入:朱迪思