| 单词 | ratio |
| 释义 | ratio ratio /ˈreɪ.ʃi.əʊ/ aep /-oʊ/ noun [C] (PLURAL ratios) ► C1 the relationship between two groups or amounts, which expresses how much bigger one is than the other: » The ratio of men to women at the conference was ten to one/10:1.» The school is trying to improve its pupil-teacher ratio (= the number of teachers compared with the number of students).Thesaurus+: ↑StatisticsThesaurus+: ↑Numerical relationships • • • Extra 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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