“secondary area”的概念、定义、翻译、参考文献-科学参考

单词	secondary area
释义	secondary area [`sek·ǝn´der·ē `er·ē·ǝ] ^NAVIGATION In air operations, that area within a segment in which ROC (required obstacle clearance) is reduced as distance from the prescribed course is increased.
随便看	warning-receiver system warning stage warp warpage warp-faced fabric warping function warp knitting warp prints warrant Warren truss war reserves warringtonite Warrior war surplus wart warwickite Wasatch winds wash washability wash-and-strain ice foot washboard course wash boring wash-built terrace wash coat washer

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