| 单词 | spherical compasses |
| 释义 | > as lemmasspherical compasses a. spherical compasses, spherical lathe: (see quots.). spherical wave: a wave in which the wave fronts are concentric spheres. ΘΚΠ the world > matter > physics > mechanics > types of motion > [noun] > wave > types of wave long wave1792 internal wave1804 stationary wave1833 solitary wave1838 standing wave1845 travelling wave1845 pressure wave1871 ripple1871 surface wave1887 sine wave1893 Rayleigh wave1903 shock wave1907 spherical wave1907 Love wave1924 bow shock1938 Rossby wave1951 soliton1965 1875 E. H. Knight Amer. Mech. Dict. III. 2264/2 Spherical Lathe, a lathe for turning spheres. 1891 Cent. Dict. Spherical compasses, a kind of calipers for measuring globular bodies. 1907 Chem. Abstr. 1 1470 The spherical wave of explosion is propagated in a fluid medium according to formulas analogous to those derived for plane waves. 1976 D. Ross Mechanics of Underwater Noise ii. 35 The intensity of a spherical wave is proportional to the square of the pressure. < as lemmas |
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