英 [ˈreɪʃiəʊ] 美 [ˈreɪʃioʊ]
n. 比率，比例
复数ratios
ratio /ˈreɪʃɪˌəʊ/ CET4 TEM4
可数名词 A ratio is a relationship between two things when it is expressed in numbers or amounts. For example, if there are ten boys and thirty girls in a room, the ratio of boys to girls is 1:3, or one to three. 比率
The adult to child ratio is one to six.
成人与儿童之比是1比6。
the relative magnitudes of two quantities (usually expressed as a quotient)
比率-引用次数：1279
Which exchange-stock ratio ison earth most reasonable one?
但是，究竟什么样的投股比率才是最合理的？
参考来源企业并购中的财务分析
比重-引用次数：513
And the ratio of foreign investment in China’s producer services is even lower.
其中,生产性服务业吸引外资的比重则更低。
(金银复本位制中)金银的法定比价
比例-引用次数：1143
The maize sown ratio enhanced across the whole of China.
全国大部分地区的玉米种植比例呈现增加趋势。
配比-引用次数：246
The ratio of 2∶1 is the best ratio to produce maximum biogas yield.
在鸡粪与玉米秸秆和猪粪与玉米秸秆配比均为2∶1时,沼气产量最大,产气速率峰值最大,产气效果最好。
性比-引用次数：79
In this paper we discussed the reasons for the change in sex ratio from 3 female : 1 male to 5 female : 1 male from the triploid female silkworm which is generated from a tetraploid female silkworm.
解释了过冷却处理诱发的四倍体后代三倍体蚕发生性比从3：1向5：1变化的现象。
参考来源家蚕多倍体细胞遗传学研究
比值-引用次数：135
The internal flexibility ratio,a new concept,was brought forward to compare the performances of flexible hinges quantitatively.
提出了铰链内各柔度间的比值概念,为定量地比较柔性铰链的性能提供了依据。
参考来源微柔性铰链转动能力和精度特性研究
速比-引用次数：37
Meanwhile,the paper analyses the interactions of the two solutions for two unequal velocity ratio,accordingly it provides particular,convenient,exact and easily verified formula for calculation of the unequal velocity ratio of a single cardan joint.
分析了两种不等速速比求解方法之间的相互关系,为十字轴万向节不等速方面的分析计算提供了详细、简便、准确、易于相互验证的计算公式。
参考来源单十字轴万向节不等速速比详解互证
比
比率
比值-引用次数：100
All these fields require precise measurement of the 7Li/6 Li ratio.
所有这些领域都要求精确地测定6Li／7Li的比值。
参考来源运用MC
配合比-引用次数：190
First of all, the paper analysis and evaluated the mechanical properties of the raw materials ,made mixture match ratio design by laboratory test ,then confirm the parameters,just like gradation、total water consumption、optimal asphalt content and cement content。
首先对原材料性能进行分析评价,通过室内混合料配合比设计,确定混合料的级配、总用水量、泡沫(乳化)沥青用量、水泥用量等设计参数。
速比-引用次数：120
The electric drive system consists of motor, fixed speed ratio and differential.
由电动机、固定速比和差速器组成电力驱动系统。
判决理由-引用次数：5
参考来源陪审制研究
比率-引用次数：30
Moreover, I present a method of interpolation between two isolated frames which give a new thinking way for the improvement of compression ratio in low bit rate transmission. Computer experiment proves the results are relatively satisfactory.
而且提出隔帧插值方法，对于提高低比特率下的视频压缩比率给出了一种新的思维，计算机模拟试验证明结果比较令人满意。
参考来源运动图像的若干分形压缩方法研究
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比率
比率
比例
... n.评价,估计,评分;等级,规格 ratio n.比,比率,比例 raw a.生的,未煮熟的;未加工的,天然的;未经训练的 ...
上课过程中，强调规则（Reinforcement），当有孩子触犯规则时，要承担相应的后果；? 控制奖惩比例（Ratio）：一堂课中，奖励与惩罚的比例大约维持在7：1。?
...许的走势信托可能不断保持下去(Continue)，四句魔术话：展望本期奇偶走势依旧会以偶数号码为主(Mainly)，本期引荐奇偶比值(Ratio)：4：2；
rateable 按比例的；可估价的；应纳税的（等于ratable）
The adult to child ratio is one to six.
成人与儿童之比是1比6。
The school has a very high teacher-student ratio.
这所学校的师生比例很高。
What is the ratio of men to women in the department?
这个部门的男女比例是多少？
The ratio of nurses to population is about ten times higher in the United States and countries in the European Union.
VOA : special.2010.06.07
And in practical terms, we can define the efficiency as the ratio of the heat in to the work out.
在实际中，我们定义,效率为热与功的比值。
热力学与动力学课程节选 : 麻省理工公开课
The history of mortgages is that they have generally over time gotten more easy on loan-to-value ratio and also on maturity.
从抵押贷款的历史来看,随着时间推移,抵押贷款,对于贷款价值比和期限越来越宽松
金融市场课程节选 : 耶鲁公开课
Objects using this ratio in their design seem to please the eye more than others.
VOA : special.2010.06.06
The golden ratio is found in art, architecture and nature.
VOA : special.2010.06.06
Normally, a ratio of bond yield to earnings yield of 1.0 is considered cheap.
All the acquisitions mean a high debt-to-capital ratio of 49%, versus 35% for peers.
The ratio is typically more than twice as many bids as there are securities available.