Expansion
[ɪk'spænʃ(ə)n;ek-] or [ɪk'spænʃən]
解释:
(noun.) the act of increasing (something) in size or volume or quantity or scope.
(noun.) adding information or detail.
(noun.) a discussion that provides additional information.
(noun.) a function expressed as a sum or product of terms; 'the expansion of (a+b)^2 is a^2 + 2ab + b^2'.
编辑:特伦斯--From WordNet
解释:
(n.) The act of expanding or spreading out; the condition of being expanded; dilation; enlargement.
(n.) That which is expanded; expanse; extend surface; as, the expansion of a sheet or of a lake; the expansion was formed of metal.
(n.) Space through which anything is expanded; also, pure space.
(n.) Enlargement or extension of business transactions; esp., increase of the circulation of bank notes.
(n.) The developed result of an indicated operation; as, the expansion of (a + b)2 is a2 + 2ab + b2.
(n.) The operation of steam in a cylinder after its communication with the boiler has been cut off, by which it continues to exert pressure upon the moving piston.
(n.) The enlargement of the ship mathematically from a model or drawing to the full or building size, in the process of construction.
校对:瓦珥
同义词及近义词：
n. [1]. Expanding, spreading, opening.[2]. Dilatation, distension, swelling.[3]. Enlargement, increase, diffusion.[4]. Extent, expanse.
校对:索尼亚
娱乐性解释：
A combination of Grand Larceny and Piracy, involving the destruction of the Constitution and Declaration of Independence.—Boston.
埃塞雷德编辑
例句:
- This vapor is rendered intensely cold by expansion, and this cold is imparted to the water in tank _a_ to freeze it. Edward W. Byrn. 十九世纪发明进展.
- He said to the doctor: 'I wish you would take my lung expansion, too. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
- They are put together with a double-lapped spiral seam to give expansion-resisting qualities, and as an additional precaution small metal rings are slipped on the outside. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
- If this extra cool air is used for cooling another batch of air under pressure, the latter upon expansion becomes still colder than the first batch expanded. 佚名. 神奇的知识之书.
- Her engines are of the twin screw, vertical triple expansion direct acting inverted cylinder type. Edward W. Byrn. 十九世纪发明进展.
- The Turkish conquests and the expansion of the known world robbed the Roman Empire of its former prestige of universality. 赫伯特·乔治·威尔斯. 世界史纲.
- But intellectual growth means constant expansion of horizons and consequent formation of new purposes and new responses. 约翰·杜威. 民主与教育.
- Equally momentous were the times in Europe, where the attempt to secure opportunities of expansion as well as larger liberty for the individual took quite different form. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
- The compromise of Camillus (367 B.C.) had put an end to internal dissensions, and left her energies free for expansion. 赫伯特·乔治·威尔斯. 世界史纲.
- Amount of Expansion and Contraction. 伯莎M.克拉克. 科学通论.
- When fuel is placed in an open fireplace (Fig. 12) and lighted, the air immediately surrounding the fire becomes warmer and, because of expansion, becomes lighter than the cold air above. 伯莎M.克拉克. 科学通论.
- Less conspicuous but still eminently useful were his discoveries and labours in other directions, in the expansion of gases, evaporation, steam, etc. 威廉·亨利·杜利特. 世纪发明.
- Frazer still await a thorough critical examination, and to his works the reader must go for the indefatigable expansion of this idea. 赫伯特·乔治·威尔斯. 世界史纲.
- The space interposed between myself and them partook of that expansion, and our marshes were any distance off. 查尔斯·狄更斯. 远大前程.
- The substance on whose expansion the working of the instrument depends is a strip of some material extremely sensitive to heat, such as vulcanite. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
- The contractions and expansions set in motion the clockwork which marks the rate of consumption. 佚名. 神奇的知识之书.
- In fact, Boyle had sustained the hypothesis that supposes the pressures and expansions to be in reciprocal proportions. 李贝. 西洋科学史.
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