组距

运用组距数列组中值加权算术平均法计算平均指标比较麻烦，也容易出错；

The method that using weighted arithmetic average of class interval ' class mid-value in computing the average is troublesome and is wrong .

按霍恩氏（Horn）法4个染毒剂量分组，每组5只，组距215倍设计剂量系列，采用静式呼吸道吸入实验，用气相色谱仪对染毒柜内化合物浓度进行测定。

Horn method was used to separate four toxicity doses groups , 5 mice in each , dose series was 2 15 times group distance . The static aspiration test was used to detect the doses of compounds in a toxin testing cabinet by HPLC .

结果A组距创缘3cm处的血管内皮细胞大部分脱落，动脉内弹力膜大部分消失；5例血管吻合皮瓣移植均失败。

Results Falling off of most vascular endothelial cells and the disappearance of most internal elastic membrane of the artery were observed 3 cm from the wounded area in group A with 5 free flaps died .

加料口封闭双排大组距冲天炉

Closed Charge Door Cupola With Large Spaced Two-Row Tuyeres

组距分组资料方差计算公式修正形式

Correction of Calculation Formula for Calculating Variance of Grouping Data Within Distances in Statistics

本文从全面看问题的观点和维护统计资料的真实性出发论述了编制组距变量数列时应该梳理清楚的几个问题。

This paper discusses how to make good group range variable number series with authentic statistics from a global viewpoint .

便利原则。并结合集合与区间的概念对组距进行了新的解释，给出了计算组距的新公式。

Explain to group interval combining the concept of set and interval , to produce new formula of computation group interval .

因此，本文详述有关智力分布的4个论题：（1）正确理解智商组别的组距和组限的表述；

Thus this paper tries to deal with four issues related to this topic : ( 1 ) correctly understand the statement of interval and limits of IQ class ;

方法新鲜牛肝3只和牛肾2只，消融灶分两组：距肝表面1cm和4cm；同时将肾脏置于肝表面，用不同的功率和时间实验。

Methods Select 3 pieces of calf liver and 2 kidneys , insert the multi electrodes into the parenchymal at the point of 1 cm and 4 cm beneath the surface of the liver , and insert the electrodes into the kidney which was placed on the liver .

根据傅立叶光学原理和视觉系统的要求，研制一组远距型的傅立叶变换透镜。

A set of long-distance Fourier transform lens is developed according to Fourier optical principle and the demands of the vision system .

非网瘾组时距估计误差值与时序判断呈正相关，显著水平降低。

The error of time space estimating and time series judging positively correlates among the non-Network-addiction group , and the correlate degree decreases .

网瘾效应影响时距估计误差值与时序判断的关系，网瘾组时距估计误差值与时序判断呈显著正相关；

The Network addiction effect affects the relation between the error of time space estimating and time series judging . The error of time space estimating and time series judging positively and obviously correlates among the Network-addiction group ;

煤层底板为本溪群隔水岩组，下距奥灰含水层30m左右。

Seam floor is water-resisting layer belonged to Benxi group , and about 30m below this floor is limestone Karst aquifer of Ordovician system .

馆陶组油藏小井距开发试验动态监测技术

Performance Monitoring Technique for Development Experiment of Guan-Tao Formation Reservoir in Small Spacing Wells

断错地貌显示，其最大一组水平错距为18002000米，最小一组错距为1020米。

The faulted geomorphology shows the maximum distance of horizontal dislocation is 18 00-2000m , and the minimum is 10-20 m.

车辆会编成10辆或12辆一组，车距仅6英尺，在计算机的控制下一齐行驶。

Cars will be bunched into groups of ten to twelve vehicles , only six feet apart , traveling in unison , and controlled by computer .

中枢病变组视辨距试验异常10例，为40%：视限踪试验Ⅱ&Ⅳ型15例为60%：视动性眼震异常为80%。

Ocular saccade was abnormal in 10 cases ( 40 % ) , eye tracking test was type ⅲ - IV in 15 cases ( 60 % ) , and abnormality of optokinetic nystagmus was 80 % in central diseases .

经过DMO后，可以从一组等炮检距剖面得出共分角线点道集。

After DMO , the offset sections can be sorted into Common-bisector-point gathers .

结果表明在单任务作业中，年老被试和年轻被试两个年龄组之间估计时距的平均值没有显著差异，但年老被试比年轻被试的估计时距具有更大的变异性。

The findings showed greater variability in the old than in the young adults , and the difference in mean measures of duration estimation was not present .

Ilizarov全环延长器及半环延长器：截骨近端穿2组2mm克氏针，远端穿2组针，一组在距小腿（踝）关节上方10cm处；

Ilizarov full-ring fixators and semi-ring fixators : Threading two group 2 mm Kirschner wire in the proximate osteotomy , and 2 group needle in the distal end .