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Goniometer Gon; Io ; Meter N N.测角计,测向计

A 'goniometer' is an instrument for measuring angles, especially the angles of a crystal or in surveying.

“goniometer”这个名词是指测角计或测向计。

Front goniometer [gon;-io-;-meter n.]
Back n.测角计,测向计

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