n.
distance travelled per unit time
同义词：velocity
a rate (usually rapid) at which something happens
"the project advanced with gratifying speed"
同义词：swiftnessfastness
changing location rapidly
同义词：speedinghurrying
the ratio of the focal length to the diameter of a (camera) lens system
同义词：focal ratiof numberstop number
a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression
同义词：amphetaminepep pillupper
How a cockpit remembers its speeds.
Wave speeds and attenuation of elastic waves in material containing cracks
Routing lookups in hardware at memory access speeds
Negative autoregulation speeds the response times of transcription networks.
Reduced drag coefficient for high wind speeds in tropical cyclones
A general theory of heat conduction with finite wave speeds
An Arbitrary Lagrangian-Eulerian Computing Method for All Flow Speeds
Laminar Heat Transfer Over Blunt-Nosed Bodies at Hypersonic Flight Speeds
Interactions between motoneurones and muscles in respect of the characteristic speeds of their responses
Molecule formation and infrared emission in fast interstellar shocks. II - Dissociation speeds for interstellar shock waves
