| 释义 |
asynchronism|əˈsɪŋkrənɪz(ə)m|
[f. a- prefix 14 + synchronism.]
Want of synchronism; non-correspondence in time. aˈsynchronous a., not coinciding in time.
1875T. Hayden Dis. Heart 7 Asynchronism between its movements and those of the lungs. 1748Hartley Observ. Man i. ii. §7 ⁋74 When the Contractions of the Ventricles are once become asynchronous and inharmonious to those of the Auricle. 1912G. Kapp Electricity viii. 219 To the late Professor Ferraris of Turin belongs the merit of having discovered a principle of alternating current working by which the motor may be started by the alternating current itself without bringing it first up to the speed of synchronism. Motors of this kind are called ‘asynchronous’ or ‘non-synchronous’ motors. 1940Chambers's Techn. Dict. 582/2 Non-synchronous motor..an a.c. motor which does not run at synchronous speed... Also called asynchronous motor. 1962Gloss. Terms Autom. Data Processing (B.S.I.) 9 Asynchronous working, the performance of a sequence of operations, such that each operation starts as a result of a signal that the previous operation has been completed or that the equipment required for the next operation is now available. |