| 单词 | angle of direction |
| 释义 | > as lemmasangle of direction angle of direction n. the amount of divergence of one line (of motion, force, direction, etc.) from a reference line, or that of two such lines from each other, expressed as the angle between them. ΚΠ 1720 J. Keill Introd. Nat. Philos. xvi. 275 The Time of the Projection directly upwards, is to the Time of Projection in a Parabola, as Radius to the Sine of the Angle of Direction. 1860 Proc. Royal Soc. 11 578 He calls attention to the London, Tonbridge, and Dover–London lines of telegraph, making an angle of direction with each other of 149°. 1989 R. K. Adair Great Design xvii. 326 The vector gradient can be defined by..numbers proportional to the magnitude of the force on a ball at rest and the angle of direction of the force. angle of direction angle of direction, line of direction: see quots. 1706, 1728.extracted from directionn.< as lemmas |
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