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单词 ratio
释义
ratio
noun [ C ] uk/ˈreɪ.ʃi.əʊ/ us/ˈreɪ.ʃi.oʊ/ ratios
C1 比;比例;比率
the relationship between two groups or amounts that expresses how much bigger one is than the other
The ratio of men to women at the conference was ten to one/10:1. 出席会议者的男女比例为10:1。
The school is trying to improve its pupil-teacher ratio (= the number of teachers compared with the number of students). 该校正大力优化其师生间的人数比例结构。
    More examples
  • Compute the ratio of the object's height to its weight.
  • What is the car's power to weight ratio?
  • The staff to student ratio has increased dramatically in the last five years.
  • The efficiency of a machine is the ratio between the energy it supplies and the energy put into it.
  • Pi is the ratio of a circle's circumference to its diameter.
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