| 单词 |
kinematics |
| 释义 |
kineˈmatics
[In form a pl. of kinematic: see -ic 2, and quot. 1840.]
a. The science of pure motion, considered without reference to the matter or objects moved, or to the force producing or changing the motion. (Cf. kinetics 1.)
1840Whewell Philos. Induct. Sc. I. 146 M. Ampère, in his Essai sur la Philosophie des Sciences (1834)..proposes to term it Kinematics (Cinématique). 1859J. R. Lunn Motion v, The phænomena of Motion..what has hitherto been called (though not universally) Kinematics. 1879Thomson & Tait Nat. Phil. (ed. 2) Pref. 6 We adopt the suggestion of Ampere and use the term Kinematics for the purely geometrical science of motion in the abstract. 1882Minchin (title) Uniplanar Kinematics of Solids and Fluids.
b. The kinematic features or properties of something. Const. as sing. or pl.
1955J. S. Beggs Mechanism ix. 273 The kinematics of the area wheel is shown in Fig. 9–11. 1973Sci. Amer. Aug. 33/1 The kinematics of the decay required that the mass of the particle be very small, perhaps even zero. |
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