| 单词 | position vector |
| 释义 | > as lemmasposition vector position vector n. Mathematics a vector which defines the position of a point relative to a fixed origin. ΘΚΠ the world > relative properties > number > mathematical number or quantity > tensor > [noun] > vector > specific type of R1675 radius vector1740 spin vector1882 axial vector1903 polar vector1903 free vector1904 position vector1906 four-vector1914 pseudovector1922 row vector1928 1906 Science 13 Apr. 574/2 The use of the term displacement to designate the position-vector of a moving particle seems, however, singularly inappropriate. 1942 J. L. Synge & B. A. Griffith Princ. Mech. x. 301 A rigid body is acted on by a force F at O and a couple G. P is an assigned point, with position vector r relative to O. 1992 N.Y. Times 18 Feb. c7/1 Orbit-Trek uses the vectorial form of Newton's gravitational equations to determine the position vectors for the satellites it plots onscreen. < as lemmas |
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