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单词 heat-seeking
释义

Definition of heat-seeking in English:

heat-seeking

adjective
  • (of a missile) able to detect and home in on infrared radiation emitted by a target, such as the exhaust vent of a jet aircraft.

    Example sentencesExamples
    • As he attacks the ball, it is like watching a heat-seeking missile that has found its target.
    • Now the David of this story has armed himself not with a slingshot, but a heat-seeking missile.
    • For example, the U.S. Department of Defense has a variety of systems that use infrared sensors, such as heat-seeking missiles, but in order for the sensors to work they must be cooled to freezing temperatures, which is expensive.
    • Exhaust fumes from the Apache engines are also cooled as they emerge to make it difficult for heat-seeking missiles to seek and destroy the aircraft.
    • It is designed to detect the launch of a heat-seeking missile, determine if it is a threat and track its flight, before confusing it with an infra-red energy beam.
    • But witnesses at the airport last night reported that helicopters and aircraft were now taking off using flares, the heat from which deflects heat-seeking missiles targeting the aircraft.
    • We're talking about a heat-seeking missile, most likely.
    • It launches heat-seeking missiles which go straight for a plane's engines, chasing them at twice the speed of sound.
    • These weapons provide Air Force Special Operations Command aircrews with defensive countermeasures against heat-seeking missiles or anti-aircraft weapons.
    • Although both systems are very important to one's ability to use weapons beyond visual range, the employment of heat-seeking missiles and modern machine guns still requires the pilot to point the nose of the fighter jet at the target.
    • In this case, though, it appeared it gave the crew almost no time to react, to dispense flares, or take other countermeasures that might have been able to evade these heat-seeking missiles.
    • It is also not a shoulder-fired heat-seeking missile.
    • They have infrared countermeasure devices that confuse heat-seeking missiles.
    • You could say that there was intentionality in a heat-seeking missile but it's at the same level as a cockroach running away from light.
    • The flares, which are often made from magnesium, are fired from aircraft and used to fool heat-seeking missiles.
    • Do their aircraft really have heat-seeking missile countermeasures?
    • Instead, like a heat-seeking missile, private clinics and hospitals home in on those more affluent areas of big cities that offer most profit, leaving the slums and the countryside to the public sector.
    • The usual countermeasure for heat-seeking missiles is to confuse them by throwing out other sources of intense heat radiation, namely flares.
    • Army helicopters, containing the latest countermeasures - such as flares to lure away heat-seeking missiles - will be used to ferry dignitaries and even police officers around.
    • Missile protection can be a drag: United Airlines is working with a Texas firm on a system to counter shoulder-fired, heat-seeking missiles, part of the Department of Homeland Security's mandate.
 
 
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更新时间:2025/2/21 8:35:19