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单词 thrust
释义
thrust

Physics
  • The propelling force generated by an aircraft engine or rocket. It is usually calculated as the product of the rate of mass discharge and the velocity of the exhaust gases relative to the vehicle.


Mathematics
  • When a body or system of masses expels mass, the body experiences a force of equal magnitude in the opposite direction according to Newton’s third law of motion. This force is known as thrust.


Space Exploration
  • The propulsive pressure exerted by, for example, a jet or rocket engine.


Geology and Earth Sciences
  • A low-angle (commonly less than 45°) reverse fault, with a significant dip-slip component, in which the hanging wall overhangs the footwall. Synthetic thrust sets form imbricate fan structures which may be thrust-bound, when they form a duplex. Single thrusts typically show a ‘staircase’ trajectory composed of ramps and flats.


Geography
  • A movement causing the formation of a reverse fault of a very low angle. The thrust plane is the low-angle fault face over which movement occurs. Rubin et al. (2001) Eos 82, 47 write on Taiwanese thrust faults. A thrust belt is a geological formation caused by compressional tectonics, which ultimately results in the formation of large mountain ranges. The Patagonian fold and thrust belt is an example (Suarez et al. (2000) Geol. Mag. 137, 4). Kwon and Mitra (2004) Geology 32, 7 present a model of a fold-thrust belt wedge. Thrust belts present enormous potential for tapping into oil and gas deposits; see Johnson et al. (2007) The Leading Edge 26, 2.


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