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英语单词reduction翻译,英文单词reduction的意思

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reduction

简明英汉词典


reduction

[ri5dQkFEn]

n.

减少, 缩影, 变形, 缩减量, 约简

基本词义


Reduction

n.

1.减少;缩小;降低 2.缩图;缩版

美国传统词典[双解]


reduction

re.duc.tion

AHD:[r1-d?k“sh…n]

D.J.[ri6d(k.*n]

K.K.[r!6d(k.*n]

n.Abbr. red.(名词)缩写 red.

(1)The act or process of reducing.

减少:减少的行为或过程

(2)The result of reducing:

减少的结果:

a reduction in absenteeism.

缺席人数的减少

(3)The amount by which something is lessened or diminished:

减少量:某物被缩短或减少的量:

a reduction of 12 percent in violent crime.

严重犯罪率下降12个百分点

(4)Biology The first meiotic division, in which the chromosome number is reduced.Also called reduction division

【生物学】 减数分裂:细胞第一次染色体数目减少大减数分裂也作 reduction division

(5)Chemistry

【化学】

(6)A decrease in positive valence or an increase in negative valence by the gaining of electrons.

还原:通过获得电子而造成正价电子减少和负价电子增多

(7)A reaction in which hydrogen is combined with a compound.

氢化反应:氢与化合物结合的反应

(8)A reaction in which oxygen is removed from a compound.

还原反应:把氧从化合物中分离的反应

(9)Mathematics

【数学】

(10)The canceling of common factors in the numerator and denominator of a fraction.

约分:削去分数中分子和分母的公约数

(11)The converting of a fraction to its decimal equivalent.

分数化成小数:把分数写成与之相等的小数

(12)The converting of an expression or equation to its simplest form.

简化方程式:把表达式或方程式化至最简的形式

语源


(1)Middle English reduccion [restoration]

中古英语 reduccion [重新设立]

(2)from Old French reduction

源自 古法语 reduction

(3)from Latin reducti?} reducti?n-

源自 拉丁语 reducti?} reducti?n-

(4)from reductus [past participle of] red?cere [to bring back] * see reduce

源自 reductus [] red?cere的过去分词 [收回] *参见 reduce

继承用法


reductional

adj.(形容词)

现代英汉词典


reduction

[rI5dQkF(E)n]

n.

(1)减少;缩小;降低

(2)缩图;缩版

现代英汉综合大辞典


reduction

[ri5dQkFEn]

n.

(1)缩减[小], 减小[少, 低, 速, 压]

(2)降级[职], 降低

(3)衰减

(4)压缩, 缩小了的东西

(5)变化, 变形

(6)弄碎, 分解

(7)换算, 折合

(8)归纳, 整理

(9)降服, 陷落

(10)简化, 化简

(11)【化】还原(作用);【医】复位术;【摄】减薄

a 10

reduction

九折

the reduction of armament

裁军

继承用法


reductional

n.

习惯用语


reductionto absurdity

【逻】归谬法(为了证明某一命题的真实, 而证明其对立面为谬误的方法); 反证论法

特殊用法


acetylene reduction

乙炔还原作用

acid reduction

酸性还原作用

across-the-board tariff reduction

全面降低关税

agreed reduction

议定的裁减

alkaline reduction

碱性还原

carbon reduction

碳还原(法)

carbon thermal reduction

碳热还原

carbonyl reduction

羰基还原

catalytic reduction

催化还原

cathodic reduction

阴极还原

chromosome reduction

染色体减数

color reduction

退色

cold reduction

(1)(减厚)冷轧

(2)冷压缩

(3)冷碾压, (管子)冷减径

copper reduction

铜还原

cost reduction

成本降低

critical reduction

临界压缩量, 临界变形程度

false reduction

假减数

field reduction

场衰减

final data reduction

最后结果处理

final drive reduction

最终传动减速

hydrogen reduction

氢还原作用

incentive reductions

鼓励性减税

incomplete reduction

不完全还原

indirect reduction

间接还原

interference reduction

【电子】干扰减小

internal reduction

分子内还原作用

lithium aluminium hydride reduction

氢化铝锂还原

load reduction

负荷减低

local pressure reduction

局部减压

low grade reduction

低级粗粒粉磨碎

magnesiothermic reduction

镁热还原

mathematical reduction

数学简化

metallic reduction of fluorides

氟化物金属热还原

metallothermic reduction

金属热还原

neutral reduction

中性还原

nitrate reduction

硝酸还原作用

nitrobenzene reduction

硝基苯还原

noise reduction

噪声降低

off-line data reduction

独立数据处理

partial reduction

部分还原

percent reduction

(1)还原率

(2)压缩率

percentage reduction of area

面积收缩率

percentage reduction of diameter

直径缩减率

performance reduction

性能下降

powder reduction

粉末还原

power reduction

功率减小

pressure reduction

减压

price reduction

削价

proportional reduction

按比例减低

radiation-chemical reduction

辐射化学还原

radical reduction

大减价

speed reduction

(1)减速

(2)减速装置

temperature reduction

降温

threshold reduction

阈值减低

total gear reduction

齿轮总减速

vacuum reduction

真空还原

vacuum-thermal reduction

真空热还原

wall thickness reduction

(1)壁厚减薄

(2)壁厚减薄率

reduction of centre

归心计算

reduction of class

降级

reduction of cost

降低成本

reduction of fraction

约分

reduction of fractions to a common denominator

通分(母)

reduction of fused salts

熔盐电解还原

[七国语言]英汉地质大词典


reduction

减少, 缩减;还原

[七国语言]英汉地理大词典


reduction

还原, 缩小

[七国语言]英汉电子大词典


reduction

减少

[七国语言]英汉化学大词典


reduction

还原

[七国语言]英汉机械大词典


reduction

还原;压下量

[七国语言]英汉机械工程大词典


reduction

减少

[七国语言]英汉建筑大词典


reduction

缩少, 缩减

[七国语言]英汉矿业大词典


reduction

减少, 缩小;还原

[七国语言]英汉农业大词典


reduction

还原

[七国语言]英汉轻工业大词典


reduction

还原

[七国语言]英汉生物学大词典


reduction

减数, 还原

[七国语言]英汉数学大词典


reduction

简化

[七国语言]英汉信息大词典


reduction

简化, 约化

[七国语言]英汉冶金大词典


reduction

还原

[七国语言]英汉医学大词典


reduction

归钠, 还原

英汉双解计算机词典


reduction

缩小率,约简

1.In micrographics, a measure of the number times the linear dimensions of an object are reduced when photographed. The reduction is generally expressed as 1∶16,1∶24.

在缩微图形学中,照相时,对目标物体线性尺度缩小倍数的量度。通常表示为1∶16,1∶24。 2.In a document copying machine, a copyon a smaller scale than 1∶1 to the original. | 在资料复制机中,比原件1∶1的比例尺度还要小的缩小复制本。 3.A process by which data are condensed. | 一种对数据进行压缩的处理过程。 4.参阅data reduction, reenlargement。

美国传统词典


reduction

re.duc.tion

AHD:[r1-d?k“sh…n]

D.J.[ri6d(k.*n]

K.K.[r!6d(k.*n]

n.Abbr. red.

(1)The act or process of reducing.

(2)The result of reducing:

a reduction in absenteeism.

(3)The amount by which something is lessened or diminished:

a reduction of 12 percent in violent crime.

(4)Biology The first meiotic division, in which the chromosome number is reduced.Also called reduction division

(5)Chemistry

(6)A decrease in positive valence or an increase in negative valence by the gaining of electrons.

(7)A reaction in which hydrogen is combined with a compound.

(8)A reaction in which oxygen is removed from a compound.

(9)Mathematics

(10)The canceling of common factors in the numerator and denominator of a fraction.

(11)The converting of a fraction to its decimal equivalent.

(12)The converting of an expression or equation to its simplest form.

语源


(1)Middle English reduccion [restoration]

(2)from Old French reduction

(3)from Latin reducti?} reducti?n-

(4)from reductus [past participle of] red?cere [to bring back] * see reduce

继承用法


reductional

adj.

[名词委审定]英汉化学名词(1991)


reduction

还原

[名词委审定]英汉数学名词(1993)


reduction

归约

[名词委审定]英汉医学名词(六, 外科, 1997)


reduction

复位术

英汉船舶大词典


reduction

n.环量减额因数,还原,换算

朗文英汉综合电脑词典


reduction

简化,还原;减少;【软】归约[RED]

英汉电信大词典


reduction

n.缩减,简化

英汉地质大词典


reduction

n.减少,缩减,降低

英汉法学大词典


reduction

n.减轻 ,降低

英汉纺织大词典


reduction

n.还原,减速,减少

英汉广播大词典


reduction

n.缩制处理

英汉航海大词典


reduction

n.还元,环量减额因数

英汉环境大词典


reduction

n.还原作用,减少,减压

英汉航空大词典


reduction

n.减小,减少

英汉化学大词典


reduction

n.减少,压缩,简化

英汉海运大词典


reduction

改正量,修正简化,通分,减少,缩小,减缩,减速,折算,还原,提炼,换算,变换,订正(量),化简,缩减,降低,衰减,折扣

基本词义


reduction

减少,减缩,降低减速换算,折算还原简化,通分衰减

基本词义


reduction

换算,变换,订正(量)化简,缩减,降低,衰减,折扣

基本词义


reduction

减少,缩小,减缩,降低减速换算,折算还原,提炼

英汉经贸大词典


reduction

n.还元

英汉计算机大词典


reduction

n.减少(压缩,简化

英汉机械大词典


reduction

n.减少,缩减

英汉建筑大词典


reduction

n.缩减,减少,简化

英汉农牧林大词典


reduction

n.简化

英汉能源大词典


reduction

n.还原,对比,减速,减少,缩减,降低;n.减少,压缩,简化

英汉汽车大词典


reduction

n.还?

英汉水利大词典


reduction

n.减少,缩减,简化

英汉消防大词典


reduction

还原(作用)

英汉心理学大词典


reduction

减少

基本词义


reduction

还原

英汉冶金大词典


reduction

n.还原比,破碎比;n.减少,降低

英汉医学大词典


reduction

n.复位,复位术

英汉中医大词典


reduction

n.泻,复位,整复术