距

The statistics used include: descriptive statistics, Chi-Square, t-test, Interquartile range, etc.

统计方法之使用包括描述统计、T检定、卡方检定、四分位距等。

After a median follow-up of 3.8 years (interquartile range 3.3–4.3 yr), outcome data were obtained in 100% of the patients and 45 CV deaths (6.4%) were recorded.

对他们进行了平均3.8年的随访(四分位距为3.3–4.3年)，纪录全部患者的相关数据，包括45例因心血管事件死亡(占6.4%)的患者。

RESULTS: A total of 372 patients developed incident stroke during a median of 5.37 years (interquartile range 2.88-7.78) of follow-up.

结果：平均随访5.37年（四分位距2.88-7.78年），共372例患者发生脑血管意外。

RESULTS: A total of 372 patients deeloped incident stroke during a median of 5.37 years (interquartile range 2.88-7.78) of follow-up.

结果：平均随访5.37年（四分位距2.88-7.78年），共372例患者发生脑血管意外。

The right and left of the box are at the third and first quartiles. Therefore, the length of the box equals the interquartile range, and the box itself represents the middle 50 percent of the observations.

图框左右分别位于第3和第1四分位点，图框的总长度正好等于一个四分位距，代表了中间观测数据的50%。

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)。

The JHU researchers prospectively examined changes in fibrosis stage between paired liver biopsies in 67 coinfected patients. Of the 67 subjects, six were excluded due to cirrhosis on the first biopsy. The median age of group was 44 years, and 75% of the subjects were men. A total of 86% had CD4+ cell counts of less than 200 cells/mm3, and the same number of subjects were receiving antiretroviral therapy. Twenty-seven percent of the patients abused alcohol. The median time between biopsies was 2.84 years (interquartile range, 2.05 - 3.41 years).

JHU研究人员前瞻性地检验67位共同感染病患成对肝脏切片的纤维化严重度变化，在67位受试者中，6位因在第1次肝脏切片时就已经是肝硬化而被排除；受试者平均年龄为44岁，而且75%的受试者为男性；86%患者的CD4+细胞计数低於200 cellsmm3，而且同样数目的受试者接受抗反转录病毒药物治疗；27位病患有酗酒的习惯；切片之间的平均时间为2.84年（四分位数中距为2.05－3.41年）。

It is found that during the vacuum chamber extinguishing courses,a great deal of X-radiation are released from the vacuum interrupter.

一般认为，在进行真空灭弧室的出厂耐压试验时不会产生危及人体健康的X射线，但这忽略了两个非常重要的因素，即过小的开距和较高的外施电压。

The company warehouse located in Shijiazhuang City East Second Ring near the intersection with North Second Ring of the 307 line from Beijing less than one kilometer Shengao Su mouth, very convenient transportation, inventory capacity of nearly 1,000 tonnes of hydrogen peroxide.

公司仓库位于石家庄市东二环与北二环交叉口附近的307副线，距京深高速口不到一公里，交通十分便利，双氧水库存能力近千吨。

Leaves opposite; petiole 4-7 mm; leaf blade elliptic to obovate, 3-8 × 1-4 cm, leathery, pubescent when young but glabrescent and shiny with age, abaxially gray tomentose, secondary veins 1 on each side of midvein, originating near leaf blade base, and meeting at apex, tertiary veins 4-6 on each side of midvein and connecting midvein to secondary veins, reticulate veins obvious, intramarginal veins 3-4 mm from margin, base broadly cuneate, apex rounded to obtuse and often slightly emarginate or sometimes slightly apiculate.

叶对生 叶柄4-7毫米；叶片椭圆形到倒卵形， 3-8 * 1-4 厘米，革质，幼时具短柔毛但老时脱落无毛和发亮的，背面灰色被绒毛，次脉在中脉两边各1，近叶片基部发出，在先端会集，第三脉在中脉两边各4-6和连结中脉和次脉，网脉明显，近边缘内脉距边缘3-4毫米，基部宽楔形，先端圆形到钝和通常稍微凹或有时稍具细尖。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。