| 单词 | ruling engine |
| 释义 | > as lemmasruling engine ruling engine n. a machine for engraving equally spaced parallel straight lines on a surface; (in later use) esp. one for engraving lines on a diffraction grating (diffraction grating n. at diffraction n. Compounds 2). ΘΚΠ society > occupation and work > equipment > marking tools > [noun] > scoring style1659 scorer1688 ruling engine1826 scrieve1828 timber-scribe1858 1826 London Jrnl. Arts & Sci. 12 268 Palmer's slide rest and carriage for an engraver's ruling engine. 1901 Physical Rev. 12 9 It is generally assumed in treating the grating that the lines of the ruling are of equal width and are separated by equal spaces... This cannot be the case in view of..the almost inconceivable rigidity of the ruling engine which would be necessary. 2000 Biogr. Mem. Fellows Royal Soc. 46 549 Diffraction gratings ruled on a ruling engine designed and constructed by Dai Davies and Geoffrey Stiff at the CSIRO. < as lemmas |
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