| 释义 |
ˈspace-like, a. Physics.
[f. space n.1 + -like.]
Resembling or having the properties of space; spec. being or related to an interval between two points in space-time that lie outside one another's light cones (so that no signal or observer can pass from one to the other).
1914[see four-vector s.v. four C. 2]. 1920A. S. Eddington Space, Time & Gravit. iii. 60 Even if the discovery of a new ray led us to modify the reckoning of time and space, it would still be necessary in the study of material systems to preserve the present absolute distinction of time-like and space-like intervals. 1934A. Huxley Beyond Mexique Bay 215 It may be possible to think of vast durations as composed of space-like fragments. 1955L. Rosenfeld in W. Pauli Niels Bohr 87 An arbitrary family of space-like surfaces. 1964Cambr. Rev. 24 Oct. 51/2 The commutativity..of the field operators at spacelike distances. 1978Pasachoff & Kutner University Astron. xxvii. 694 The distance between the events is greater than the distance that light can travel in the time between the events. Such an interval is called spacelike. |