四分的

The quarterback faked to the fullback and handed off to the halfback.

四分卫做了个要把球传给后卫的假动作，却把球传给了中卫。

Median serum 25D level was 29 ng/mL (interquartile range, 21 - 37 ng/mL).

血清 25维生素D含量的中位数为29 ng/mL，（四分位距为21 - 37 ng/mL）。

Measures of variability include range, interquartile range, standard deviation, and standard error of the mean.

变异程度的测量包括范围、四分位差、标准偏差和平均数标准误差。

The median CACS was 220 (interquartile range 19–899), and there was no difference in CACS between black and white patients.

中位的CACS是220（四分位间距为19~899），在黑种人和白种人之间，CACS没有差异。

Median duration of follow-up was 14.0 yr (interquartile range, 7.9-21 yr).

随访时间的中位数为14年（四分位距为7.9-21年）。

Interquartile range is data included between the 25th and 75th percentile of a distribution.

四分位差是一个分布中包含第25和第75百分位间的数据。

Oerall, 21 (12%) patients were confirmed with BE on repeat endoscopy; all men, mean age 61 yr with a median BE length of 0.5 cm (range 0.5–5 cm, interquartile range 0.5 cm).

总之，复查内镜发现21位患者(12%)确诊Barrett食管，全部是男性，平均年龄61岁，Barrett食管的中位长度是0.5 cm (从0.5–5 cm，四分位距0.5 cm)。

At catheterization, all patients had elevated intrapericardial pressure (median, 12 mm Hg; interquartile range, 7 to 18) and elevated right atrial and end-diastolic right and left ventricular pressures.

在进行导管插管时，所有病人的心包内压都升高(中位数为 12mmHg，四分位数间距为 7～18mmHg)，右房压以及左室和右室舒张期末压也都升高。

This pencil is a quarter as long as that one.

这支铅笔是那支的四分之一长。

A unit of length equal to a quarter of 1 mile.

长度单位等于英里的四分之一。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。