单词 | reduction |
释义 | reduction音标[ri'd?k??n]汉语翻译n. 减少, 缩影, 变化【化】 还原 【医】 复位术, 还原[作用], 减少, 减数 【经】 减少, 缩减, 约简 词型变化:形容词:reductional英语解释:名词 reduction:
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详细解释:re.duc.tion n.Abbr. red.(名词)缩写 red.The act or process of reducing.减少:减少的行为或过程The result of reducing:减少的结果:例句:a reduction in absenteeism.缺席人数的减少 The amount by which something is lessened or diminished:减少量:某物被缩短或减少的量:例句:a reduction of 2 percent in violent crime.严重犯罪率下降2个百分点 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 divisionChemistry 【化学】 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A reaction in which hydrogen is combined with a compound.氢化反应:氢与化合物结合的反应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Mathematics 【数学】 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 来源:Middle English reduccion [restoration] 中古英语 reduccion [重新设立] from Old French reduction 源自 古法语 reduction from Latin reductiô reductiôn- 源自 拉丁语 reductiô reductiôn- from reductus [past participle of] redôcere [to bring back] * see reduce 源自 reductus [] redôcere的过去分词 [收回] *参见 reduce 【引伸】 reduc.tional adj.(形容词) |
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