ratio

英 [ˈreɪʃiəʊ]

美 [ˈreɪʃioʊ]

n.  比率; 比例

复数：ratios　

CET4CET6考研TOEFLIELTSTEM4TEM8BEC医学

Collins.2 / BNC.2365 / COCA.3088

牛津词典

noun

• 比率；比例
  the relationship between two groups of people or things that is represented by two numbers showing how much larger one group is than the other
  1. What is the ratio of men to women in the department?
     这个部门的男女比例是多少？
  2. The school has a very high teacher-student ratio.
     这所学校的师生比例很高。
  3. The ratio of applications to available places currently stands at 100:1.
     目前，申请人数和就业岗位的比例为100:1。

柯林斯词典

• N-COUNT 比;比率;比例
  Aratiois 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.
  1. In 1978 there were 884 students at a lecturer/student ratio of 1:15...
     1978年有884名学生，师生比为1比15。
  2. The bottom chart shows the ratio of personal debt to personal income...
     下面的图表显示了个人负债与个人收入之比。
  3. The adult to child ratio is 1 to 6.
     成人与儿童的比例为1比6。

英英释义

noun

• the relation between things (or parts of things) with respect to their comparative quantity, magnitude, or degree
  1. an inordinate proportion of the book is given over to quotations
  2. a dry martini has a large proportion of gin
  Synonym:proportion
• the relative magnitudes of two quantities (usually expressed as a quotient)

双语例句

• An increasing ratio of mistakes, perhaps induced by tiredness, crept into her game.
  可能是由于体力不支，她在比赛中的失误越来越多。
• The standard deviation and concentration ratio of local evaluation was used to identify and control collusion attack.
  采用基于局部评价标准差、局部评价集中度的方法识别和抑制共谋攻击；
• The ratio between the two sides is one to four.
  双方人数对比是一对四。
• The influence to stress of skew arch bridge was studied by changing the abutment torsional stiffness and width-span ratio.
  通过改变桥台抗扭刚度和宽跨比，研究对斜交拱桥受力的影响。
• The curve pattern showed that the ratio of dark-respiration to photorespiration increased at first and decreased later on.
  暗呼吸及光呼吸速率与叶水势降低的关系，呈现先升高而后下降的曲线类型。
• The adult to child ratio is 1 to 6.
  成人与儿童的比例为1比6。
• The quantity of ambiguity and restrictive condition are in the direct ratio.
  歧义的数量与限制条件的数量成正比。
• The ratio of use cases to test cases will be one-to-many for the Function Verification Test.
  对于功能验证测试，用例与测试用例的比率将是一对多。
• Use one buffer pool, but increase its size until the index hit ratio stops increasing.
  使用一个缓冲池，但是增加其大小直至索引命中率停止增长。
• This ratio must improve.
  必须提高这一比例。