| 释义 |
stationarity|ˌsteɪʃəˈnærɪtɪ|
[f. stationary a. + -ity.]
The condition of stationary motion. More widely, the state of being stationary or unvarying; stationariness; constancy.
1901Nature 11 Apr. 573/2 Signor Levi-Civita..is of opinion that Routh's definition of stationarity should be completed by adding the proviso that [etc.]. 1955M. Loève Probability Theory ix. 418 In the integral stationarity case, the basic ergodic inequality takes very simple forms. 1972Nature 8 Dec. 338/1 Hot spots have been hypothetically identified as mantle plumes and their stationarity with respect to the Earth's spin axis demonstrated. 1973Sci. Amer. July 8/2 The demographic behavior of these nations is pointing in the direction of a rough equilibrium of deaths and births, that is, stationarity. 1973Animal Behaviour XXI. 181/1 The assumption of stationarity of the processes in equation (7) seems justified if one bears in mind that the animals observed lived under constant conditions. |