quartile
                                                    英 ['kwɔːtaɪl]
                                                                        美 ['kwɔrtaɪl]
                        
                
                
                
                
                    
                                    
                
                                                                                        quartile 中文词源
                
                
                    quartile 四分位数quart-,四,四分之一,-ile,形容词后缀。引申词义四等分,四分位数。
                 
                                                quartile 英文词源
                
                
                    
                        - quartile (n.)
- c. 1500, originally in astronomy; see quartile (adj.). In statistics, from 1879.
- quartile (adj.)
- mid-15c., "90 degrees apart" (of astronomical measurements), from Middle French quartil, from Medieval Latin quartilus "of a quartile," from Latin quartus "fourth" (see quart).
 
                
                                                    quartile 双语例句
                
                
                    1. The upper quartile is that value above which 25 per cent of the observations lie.  上四分位数是25%的观察值位于其上的值. 来自辞典例句
 - 2. Those in the quartile of FEV 1 decline were defined as fast declines. 
- FEV1下降的四分位数最高值即定义为快速减退.
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- 3. There were Therefore only 28 % of students in the top quartile are from lowerlower - income families. 
- 因此,在高水平学生中只有28%的人来自 低收入 家庭.
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- 4. Furthermore, this series is the first one in which patients have been distributed according to quartile. 
- 此外, 该系列研究第一次采用四分位数法对患者分组.
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- 5. Results SUA in quartile correlated with increasing IMT and severity of plaque in the elderly. 
- 结果血尿酸四分位组分析显示,随分位数增加,老年人颈动脉IMT及斑块严重程度增加.
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