Physics. = frame of reference, n. 1. Cf. reference frame, n.
| 单词 | θ112246 | 
| 释义 | the world > relative properties > relationship > 			[noun]		 > relation to something or reference > frame of reference (4)		 frame1884 Physics. = frame of reference, n. 1. Cf. reference frame, n. frame of reference1895 Physics. A system of coordinate axes in relation to which size, position, or motion can be defined. Cf. frame, n. 18c. framework of reference1914 In extended use: an essential or underlying structure; a provisional design, an outline; a conceptual scheme or system. reference frame1930 = frame of reference, n. 1. | 
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