| 单词 | lift-drag |
| 释义 | > as lemmaslift-drag lift-drag adj. Aerodynamics relating to both lift and drag; applied spec. to the ratio of the lift to the drag. ΘΚΠ society > travel > air or space travel > specific movements or positions of aircraft > aerodynamic forces and concepts > [adjective] > lift or drag lift-drag1919 lifting1919 1919 Parl. Papers X. 49 In a long flight it is most economical to climb an aeroplane in the attitude corresponding to the maximum value of the lift-drag ratio until it approaches its ceiling. 1935 P. W. F. Mills Elem. Pract. Flying i. 6 Variations in incidence..affect lift and drag disproportionately, and thus produce variations in the quantitative relation between lift and drag—that is to say, in what is called the lift-drag ratio. 1960 Times Rev. Industry Oct. 58/3 [The] airstream direction detector system..enables an aircraft to be flown on the best lift-drag curve to maintain economic flight conditions. < as lemmas |
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