中位数

The purpose is to inspect the grade differences on time of mental addition and mental subtraction of pupils from three grades as well as grades differences of arithmetic time and integration time. The results show that mental arithmetic time of pupils from Grade 2, 4 and 6 decreases with the increase of grades.In the non-carry mental addition of 1-digit number and multi-digit number, menta...

研究结果表明，2、4、6 年级小学生口算时间随年级的增高而减少；在一位数加多位数不进位加法口算中，口算时间差异主要源于运算时间差异和整合时间差异；在一位数加多位数进位加法口算中，口算时间差异源于运算时间差异；在多位数减一位数不借位减法口算中，运算时间年级差异不显著，而整合时间存在显著的年级差异；在多位数减一位数借位减法口算中，口算时间的年级差异主要表现为运算时间的差异，而整合时间差异不显著。

All the biopsy specimens were used for histopathologic and immunohistochemical analyses of SHR, respectively.

其中男性14例，女性17例，女：男=1.2：1；年龄11岁至69岁，年龄的中位数为33.1岁；稳定期15例，活动期16例；普秃3例，全秃4例。

In 2007, US workers suffered 335,390 musculoskeletal injuries requiring a median nine days away from work.

2007年，美国工人的要求遭到335390中位数9天的工作以外肌肉受伤。

In 2007, US workers suffered 335,390 musculoskeletal injuries requiring a median nine days away from work.

2007年，美国工人受到335390肌肉受伤，需要的是中位数9天远离工作。

On the very day of Tobit's prayer, Sarah, a young relative of Tobit living in the Median capital, Ecbatana, also prays for death.

就这一天Tobit回归的祈祷，莎拉，一个年轻的亲戚Tobit回归生活在中位数的资本，埃克巴塔那，也祈祷死亡。

A total of 14 patients await completion of EMR (9) or first follow-up endoscopy (5). CBE-EMR therapy was completed in 32 patients by an average of 2.1 sessions median 2, s.d.

共14名患者等待完成EMR手术（9名）或第一次内镜后续治疗（5名）。32名患者平均经过2.1次CBE – EMR手术完成治疗（中位数2，标准差0.9）。

Men with histologically confirmed BE and HGD (33), IMC (16), underwent CBE-EMR from August 2003 to August 2008. The mean BE segment length was 3.2 cm (median 2, s.d. 2.2); 26 patients had short-segment BE, and 30 had visible lesions.

这些患者BE病变的平均长度为3.2厘米（中位数2，标准差2.2）； 26名患者BE病变长度较短，30名患者存在可见BE病变。

High-dose proton pump inhibition was instituted after initial treatment, and Seattle-type surveillance biopsies were performed on follow-up every 6 months once the CBE-EMR procedure was completed. RESULTS: A total of 49 patients mean age 67 years, median 65, s.d.

结果：2003年8月至2008年8月期间，49名（平均年龄67岁，年龄中位数65，标准差11；75％为男性）经组织学检查证实为Barrett食管的患者均接受CBE-EMR，其中33名患有HGD，16名患有IMC。

In Babylonia, a man named Nidintu-Bêl proclaimed himself king, and when Darius had gone to Babylon, a new rebel leader stood up in Media, Phraortes , who descended from one of the Median kings of old, Cyaxares , and gained support in Sagartia , Parthia and Hyrcania .

在东风，一名男子名为Nidintu标签自封国王，当大流士去巴比伦，一个新的反政府武装领导人起身媒体， Phraortes ，谁的后裔之一的中位数国王岁， Cyaxares ，并取得支持，海葵，安息和Hyrcania 。

Comparing the periods of bilirubin exposure of the stomach, the median percentage of time was O = 5.7%(1.0-15.0%) and Y = 3.5%(0.1-7.8%) respectiely for TM n.s.

比较胆红素的胃暴露时间，时间百分率的中位数（上，下4分位）为O=5.7%(1.0-15.0%)，Y=3.5%(0.1-7.8%)，TM，UP状态O=3.1%(0.7-9.4%)，Y=0.4%(0.0-7.1%)，SP状态O=2.1%(0.2-16.7%)，Y=5.9%(0.0-12.2%)。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。