释义 |
focimetry|fəʊˈsɪmɪtrɪ| Also focometry. [f. as prec. + Gr. -µετρία measurement.] Measurement of focal distance.
1881G. R. Piggott in Nature No. 622. 515 If now an over-corrected lens were substituted, the diffraction rings..and the nebulosity..exactly changed positions as regards focimetry. 1891S. P. Thompson in Proc. R. Soc. XLIX. 225 The accepted methods of focometry. |