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

• Under dark adaptation, phototactic ratio of round scad ( both juvenile-and adult) towards blue and green light is the highest, while that towards red light is the lowest.
  在暗适应条件下，蓝圆鲹幼、成鱼对蓝、绿色光的趋光率最高，对红光的趋光率最低。
• 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。
• 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；
• And that gives you the ratio of k1 plus k minus one.
  那给出k1和k负1的比。
• This ratio must improve.
  必须提高这一比例。
• Signal-to-noise ratio of cylinder head vibration signal was enhanced by using wavelet's soft threshold value de-noising method.
  用小波软阈值降噪的方法提高了柴油机缸盖振动信号的信噪比。
• The ratio of signal intensity to noise intensity.
  信号强度与噪音强度的比率。
• The low tension and gentle treatment is also ensured by the ratio metered AC drive.
  其速比控制的交流传动系统也确保了低张力和轻柔处理。
• The ratio ( in percent) of the maximum width the the maximum height of the face.
  面部最大高度和最大宽度的比率。
• The ratio of fluoranthene to pyrene may indicate that PAH area was mainly from uncompleted combustion.
  根据荧蒽与芘质量浓度比值判别市区内pah主要来源于燃料的不完全燃烧。