| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024ter′minal veloc′ity, - [Physics.]
- Physicsthe velocity at which a falling body moves through a medium, as air, when the force of resistance of the medium is equal in magnitude and opposite in direction to the force of gravity.
- Physicsthe maximum velocity of a body falling through a viscous fluid.
- Rocketry
- the greatest speed that a rocket, missile, etc., attains after burnout or after leaving the barrel of a gun.
- the speed of a missile or projectile on impact with its target.
Collins Concise English Dictionary © HarperCollins Publishers:: terminal velocity n - the constant maximum velocity reached by a body falling under gravity through a fluid, esp the atmosphere
- the velocity of a missile or projectile when it reaches its target
- the maximum velocity attained by a rocket, missile, or shell flying in a parabolic flight path
- the maximum velocity that an aircraft can attain, as determined by its total drag
|