reduction
n. 减少, 缩影, 变化 [化] 还原
发音
词形变化
教材释义与例句
减少；下降；缩小；还原反应
释义与例句
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1.
The act, process, or result of reducing.
可数 不可数 -
2.
The amount or rate by which something is reduced, e.g. in price.
可数 不可数A 5% reduction in robberies
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3.
A reaction in which electrons are gained and valence is reduced; often by the removal of oxygen or the addition of hydrogen.
还原
还原作用
可数 不可数 化学 -
4.
The process of rapidly boiling a sauce to concentrate it.
可数 不可数 烹饪 -
5.
The rewriting of an expression into a simpler form.
可数 不可数 数学 -
6.
A transformation of one problem into another problem, such as mapping reduction or polynomial-time reduction.
可数 不可数 计算机 工程 数学 -
7.
An arrangement for a far smaller number of parties, e.g. a keyboard solo based on a full opera.
可数 不可数 音乐 -
8.
A philosophical procedure intended to reveal the objects of consciousness as pure phenomena. (See phenomenological reduction.)
可数 不可数 哲学 -
9.
A medical procedure to restore a fracture or dislocation to the correct alignment, usually with a closed approach but sometimes with an open approach (surgery).
可数 不可数 医学closed reduction
open reduction and internal fixation
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10.
A reduced price of something by a fraction or decimal.
可数 不可数 -
11.
The ratio of a material's change in thickness compared to its thickness prior to forging and/or rolling.
可数 不可数 艺术 工程 -
12.
A religious settlement created during a mission by Spanish or Portuguese colonists with the intent of evangelizing Christianity to the local population.
可数 历史 不可数 宗教Spanish reductions in Mexico were common during the 18th century.
词汇关系
相关短语
词源
From Middle English reduccion, a borrowing from Old French reducion, from Latin reductiō, reductiōnem. Equivalent to reduce + -tion.
来源：wiktionary