| 单词 | disc area |
| 释义 | > as lemmasdisc area disc area n. (a) the circular area swept out by a revolving propeller, airscrew, etc.; (b) the area of a disc or on a disc. ΚΠ 1852–3 Pract. Mechanic's Jrnl. 5 128/1 The latter possessed..a midship section smaller for the displacement, although slightly larger (3.09 to 3.07) for the screw's disc area. 1935 Flying Mag. Feb. 118/3 Excessive tip speed may create a vortex action which will restrict the effective disc area of the propeller. 1964 Proc. AFIPS Conf. 26 353/1 A separate dictionary is maintained for each disk area. 1972 Pop. Sci. Nov. 72/2 The maximum power that a wind turbine can get from the wind passing through the disk area of its blades is 57 percent of wind energy. 2012 F. Bandello et al. in F. Bandello & M. B. Parodi Surg. Retina 59 (caption) Proliferation elsewhere at least 1/2 disc area in size and associated with vitreous or preretinal hemorrhage. < as lemmas |
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