| 单词 | wind shear |
| 释义 | > as lemmaswind shear wind shear n. a variation in wind velocity along a direction (usually vertical or horizontal) at right angles to the wind's direction. ΘΚΠ the world > the earth > weather and the atmosphere > weather > wind > [noun] > wind with reference to direction > change of direction shift1594 wind shear1951 1951 Gloss. Aeronaut. Terms (B.S.I.) iii. 36 Wind shear. 1976 Sci. Amer. Nov. 32 For a typical wind shear of one mile per hour per mile of height and an average wind speed of 20 miles per hour, the pattern of fallout 100 miles downwind from ground zero would be about 25 miles wide. 1977 Time 18 Apr. 37/3 ‘Wind shear’, created by colliding air masses, was listed as the probable cause of an Eastern 727's crash while landing. < as lemmas |
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