单词 | supercritical wing |
释义 | supercritical wing [¦sü·pǝr`krid·ǝ·kǝl `wiŋ] AEROSPACE ENGINEERING A wing developed to permit subsonic aircraft to maintain an efficient cruise speed very close to the speed of sound; the middle portion of the wing is relatively flat with substantial downward curvature near the trailing edge; in addition, the forward region of the lower surface is more curved than that of the upper surface with a substantial cusp of the rearward portion of the lower surface. |
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