reduction

英 [rɪˈdʌkʃ(ə)n] 美 [rɪˈdʌkʃ(ə)n]

n. 減小，降低；減價，折扣；（照片、地圖、圖片等的）縮圖，縮版；歸納，簡化；（數學）歸約，約化；染色體減半；簡編曲（管絃樂改編的鋼琴曲或小樂隊演奏曲）；濃湯，濃汁；脱臼（或斷骨）復位；（化學）還原，被還原；（語音）弱化

[ 複數 reductions ] ^[1] 

noise reduction 噪聲降低，噪聲消減

cost reduction 成本降低

reduction method 還原法；設置限制方法

reduction process 還原過程；減除作業

direct reduction 直接還原；直接歸約

drag reduction 減阻

reduction ratio 減速比

reduction rate 還原速度；減速率

weight reduction 減重

open reduction 切開復位術

dimensionality reduction 降維

reduction reaction 還原反應

data reduction 數據簡化；資料縮減

chemical reduction 化學還原

tax reduction 減税

price reduction 降價；減價，削價

reduction gear 減速齒輪；減速裝置

temperature reduction 温度下降

pressure reduction 減壓

reduction cell 電解槽；電解還原槽；還原槽 ^[1] 

1、There has been some reduction in unemployment. 失業人數有所減少。

2、This represents a reduction of 5% in real terms. 這相當於實際減少了5%。

3、The company has made heroic efforts at cost reduction. 該公司在降低成本方面進行了艱苦卓絕的努力。 ^[1]