| 单词 | rotation axis |
| 释义 | > as lemmasrotation axis rotation axis n. ΚΠ 1853 Technologisches Wörterbuch I. 83 Bewegungsaxe, rotation-axis. 1856 B. Price Treat. Infinitesimal Calculus III. i. iii. 100 With respect to moment-centres taken at any point in space. the moment of the rotation-axis coincident with the central axis is the least. 1937 W. L. Bragg Atomic Struct. Minerals i. 13 It is the possibility of screw axes and glide planes, in addition to rotation axes and reflection planes, which gives rise to the large number of space-groups. 2006 Nature 16 Nov. 283/2 In the adjacent fluid the rotation is a function of distance from the rotation axis. < as lemmas |
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