Spherometer
[,sfiә'rɒmitә]
解释:
(n.) An instrument for measuring the curvature of spherical surface, as of lenses for telescope, etc.
校对:罗尼
[,sfiә'rɒmitә]
(n.) An instrument for measuring the curvature of spherical surface, as of lenses for telescope, etc.
校对:罗尼