| 单词 | zero-length |
| 释义 | > as lemmaszero-length zero-length adj. Aeronautics (now chiefly historical) of or relating to a launching system in which aircraft or missiles are launched from a mobile platform, without travelling along it for any significant distance, using rocket boosters as a source of thrust; (also) designating such a launch or launcher, or the (short) fittings supporting the rocket boosters.In a zero-length launching system the very first motion of the aircraft or missile causes it to disconnect from the launcher. In later use also used to contrast launches from mobile platforms with those requiring a runway. ΘΚΠ society > armed hostility > military equipment > weapon > device for discharging missiles > firearm > piece of artillery > [adjective] > type of rocket-launcher zero-length1945 1945 Mil. Rev. Nov. 24/2 Lighter, more streamlined rails were used as aircraft launchers... The ‘zero length’ rail was developed consisting of only a front and rear streamlined stud or part which supported the rocket beneath the wing and supported it for only a fraction of an inch of its initial travel. 1954 K. W. Gatland Devel. Guided Missile (ed. 2) iii. 79 (caption) A later G.A.P.A. [sc. ground-to-air pilotless aircraft] rocket being adjusted on a ‘zero-length’ launcher. 1960 U.S. Patent 2,922,602 1 One of the primary advantages of the zero-length launching technique is that the aircraft requires no guidance during launching. 2004 U.S. Patent 6,695,251 B2 1 In zero-length launch of aircraft, the jet engine is used with a rocket motor to accelerate the aircraft to flying speed in a brief interval of time. < as lemmas |
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