reduction in sth
表示在某方面的减少。
The company announced a reduction in staff.
公司宣布裁员。
简化；降低复杂度
reductions — plural of reduction
还原；减少的行为、过程或结果；减少的数量或幅度,例如价格；一种获得电子和降低价态的反应；通常通过去除氧或添加氢；快速煮沸酱汁以浓缩的过程
the act of reducing complexity; simplification
减少的行为、过程或结果
The act, process, or result of reducing.
减少的数量或幅度,例如价格
The amount or rate by which something is reduced, e.g. in price.
一种获得电子和降低价态的反应；通常通过去除氧或添加氢
A reaction in which electrons are gained and valence is reduced; often by the removal of oxygen or the addition of hydrogen.
快速煮沸酱汁以浓缩的过程
The process of rapidly boiling a sauce to concentrate it.
将表达式重写为更简单形式的过程
The rewriting of an expression into a simpler form.
将一个问题转化为另一个问题的过程,如映射归约或多项式时间归约
A transformation of one problem into another problem, such as mapping reduction or polynomial-time reduction.
为少数人安排的改编,例如基于完整歌剧的键盘独奏
An arrangement for a far smaller number of parties, e.g. a keyboard solo based on a full opera.
一种旨在揭示意识对象为纯粹现象的哲学程序。
A philosophical procedure intended to reveal the objects of consciousness as pure phenomena. (See phenomenological reduction.)
将骨折或脱位恢复至正确对齐的医疗程序,通常采用闭合方法,有时也采用开放方法(手术)。
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).
某物价格按分数或小数减少后的价格。
A reduced price of something by a fraction or decimal.
材料锻造和/或轧制前后厚度变化之比。
The ratio of a material's change in thickness compared to its thickness prior to forging and/or rolling.
The store offered a 20% reduction on all shoes during the sale.
商店在促销期间对所有鞋子降价20%。
用法提示：reduction 是名词，表示“减少；降价”，与 on 搭配说明针对的对象。
Cycling to work can result in a significant reduction in air pollution.
骑自行车上班可以大幅减少空气污染。
用法提示：reduction 为名词，与 in 搭配，表示在某方面的减少。
We need to make a reduction in the amount of plastic we use.
我们需要减少塑料的使用量。
用法提示：reduction 是名词，作 make 的宾语，后接 in + 名词，表示“在…方面的减少”。
表示在某方面的减少。
The company announced a reduction in staff.
公司宣布裁员。
强调减少的行为或过程。
The reduction of waste is a priority.
减少浪费是优先事项。
具体说明减少的数量或百分比。
There was a reduction of 10% in costs.
成本减少了10%。
化学语境中表示被还原。
In the reaction, the iron oxide undergoes reduction to iron.
在反应中，氧化铁被还原成铁。
decrease与reduction最接近，常用于数量或程度的减少
decline强调下降的趋势，常用于统计数据或健康状况
drop更口语化，指突然或明显的下降
cut指人为的、有意的减少，如削减开支
fall常指数值或水平的下降，如温度或价格
grammar · medium
易错句子We had reduction in sales.
正确表达We had a reduction in sales.
Reduction 作为可数名词时通常需要冠词，如 'a reduction'，表示一次具体的减少。
grammar · medium
易错句子The company plans reduction prices.
正确表达The company plans to reduce prices.
Reduction 是名词，不能直接接宾语；应改用动词 reduce 才能后接宾语 prices。
指数量或程度的减少的反义词；reduction作‘减少’解
指化学还原反应的反义词；reduction作‘还原’解
reduction 指数量减少或化学还原；deduction 指从总数中扣除或逻辑推理
reduction 强调过程或结果，常用于正式或科学语境；decrease 更泛指数量上的减少
降价
The store announced a price reduction on all items.
商店宣布所有商品降价。
成本削减
The company implemented cost reduction measures.
公司实施了成本削减措施。
排放减少
There has been a significant reduction in emissions this year.
今年排放量显著减少。
还原反应
The reduction reaction occurs when oxygen is removed.
当氧气被去除时发生还原反应。
裁员
The reduction of staff was necessary to cut costs.
裁员对于削减成本是必要的。
显著减少
The new policy led to a significant reduction in waste.
新政策导致废物显著减少。
duction
duction
duction
duction
duction
duction
re- (again) + duct (lead) + -ion (noun suffix)
re- (again) + duce (lead)
con- (together) + duct (lead)
act + -ion (noun suffix)
与还原构成氧化还原反应
还原反应中原子获得电子
常与reduction搭配表示数量或规模的减少
常见于budget reduction（预算削减）
常与reduction搭配表示成本降低
裁员
The company announced a reduction in force to cut costs.
公司宣布裁员以削减成本。
Dictionary facts from ECDICT, WIKTIONARY.