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单词 neutral stability
释义 neutral stability
[`nü·trǝl stǝ`bil·ǝd·ē]
CONTROL SYSTEMS
Condition in which the natural motion of a system neither grows nor decays, but remains at its initial amplitude.
METEOROLOGY
The state of an unsaturated or saturated column of air in the atmosphere when its environmental lapse rate of temperature is equal to the dry-adiabatic lapse rate or the saturation-adiabatic lapse rate respectively; under such conditions a parcel of air displaced vertically will experience no buoyant acceleration. Also known as indifferent equilibrium; indifferent stability.
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