| 单词 | force field |
| 释义 | > as lemmasforce field force field n. (also force-field) a field of force (see field n.1 15); esp. in Science Fiction, one that acts as an invisible barrier. ΘΚΠ the world > matter > physics > mechanics > force > [noun] > area under influence of field1845 field of force1850 force field1920 1920 Rep. Brit. Assoc. 1920 236 Each atom must form the centre of an electromagnetic field of force. These force fields were first dealt with by Humphreys. 1926 Bull. Nat. Res. Counc. 54 294 A clear understanding of the form of the orbit and quantum conditions for central force fields is often essential in the theoretical interpretation of spectra. 1944 F. Brown in B. W. Aldiss Introd. SF (1964) 74 ‘There is a barrier.’ A force-field, of course. 1962 F. I. Ordway et al. Basic Astronautics iv. 120 There are four groups of phenomena: (1) interstellar and interplanetary particulate matter, (2) energetic particles, (3) electromagnetic radiations, and (4) force fields. 1964 Observer 13 Dec. 34/7 An electronic bird-repeller..that will send out a science-fiction type ‘force field’ to keep birds away. < as lemmas |
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