| 释义 |
hypocentre|ˈhaɪpəʊsɛntə(r)|
Also (U.S.) -center.
[f. hypo- 2 + centre n.]
1. The focus of an earthquake, the point within the earth where it originates.
1905C. Davison Study Rec. Earthquakes i. 3 The region within which the displacement occurs is sometimes called the hypocentre, but more frequently the seismic focus, or simply the focus. 1938[see centrum 2]. 1972Sci. Amer. May 58 The first seismic waves to leave the region of the break (the hypocenter) are waves of alternate compression and rarefaction.
2. = ground zero (ground n. 18).
1960Observer 29 May 26/1 The Hiroshima survivors are unusual in having experienced a single whole-body exposure, the dose varying according to distance from the hypocentre (point directly beneath centre) of the explosion. 1962J. F. Loutit Irradiation ii. 75 The incidence of leukemia..is high for those who were exposed near to the hypocenter. |