统计分析

By statistical analysis to a large number of data collected from the reliability test of 120km/h raising speed wagon,this paper,based on the theory of reliability engineering,elaborated the reliability of the tested wagon in the field of running safety,maintenance support,failure mode effect and criticality.

通过对120km/h提速货车可靠性试验中收集的大量故障数据进行统计分析，根据18万km的阶段试验数据分析与推断，利用可靠性工程的理论，对货车提速到120km/h运行的可靠性，做出初步的结论性判断，并提出了今后在铁路车辆设计、制造、试验及维护保障管理等各方面，全面引入产品可靠性质量管理理念，进行相应的可靠性深入研究。

This paper statists and analyses the data about phosphate fertilizer of Chongqing from 1990 to 2003, evaluates the quality of phosphate fertilizer production and analyses the reason that why the rate is so low.

本文统计分析了1990年来重庆市流通领域抽查的磷肥数据，评价了重庆市农资市场中磷肥产品质量，分析了合格率低的具体原因。

The changes of rat behavior were determined using open-field test and sucrose solution consumption test.

所有实验数据均采用SPSSl 1.5软件，用方差分析及t检验法进行统计分析。

This research was conducted under the quasi experimental method,"pretest-posttest control group design".

本研究采前测-后测之准实验设计，研究工具为威廉斯创造力测验，包括「威廉斯创造性思考活动」及「威廉斯创造性倾向量表」，所得资料以单因子共变数分析进行统计分析。

4By epidemiology survey, collect data on four examination; take single syndrome as the study unit; build the initial syndrome-symptom relationship model through expert questionnaire; verify and modify the syndrome-symptom relationship model, and then develop the final syndrome-symptom relationship model through latent variable analysis; determine the diagnostic critical value by quasi ROC curve.

4进行流行病学调查，收集抑郁症病人的四诊资料；以单证为研究单元；通过专家问卷建立证-症对应关系初始模型；用隐变量分析对临床流行病学调查资料进行统计分析，验证并修正初始模型，确定证-症对应关系最终模型；用类ROC曲线法确定单证的诊断临界值：建立抑郁症中医单证诊断标准。

DataFit is a science and engineering tool that simplifies the tasks of data plotting, regression analysis and statistical analysis.

DataFit是一个科学与工程工具，用来对数据进行绘图、回归分析和统计分析。

The cephalometric radiography and ultrasound image of swallowing were recorded just before and after anterior teeth retraction. All the changes and correlation between the variable of anterior teeth and the variable of tongue movement during swallowing were all discussed. The result showed that there was no significant change on duration and magnitude during swallowing after anterior retraction.

以13位符合条件的志愿者为受测对象，分别在前牙退后之前后各取一次测颅X光片及超音波吞咽之影像资料；而后以测颅X光片描绘取得前牙距离、角度的改变比率，另以电脑辅助分析超音波吞咽影像，得到舌头吞咽各分期的时间振幅之改变比率，再进行统计分析。

An algorithm of skin color detection is studied that can be used under variant light conditions after a thorough analysis of light effect on skin color detection.

针对光照对肤色检测的影响进行了深入分析，并研究了一种适应可变光照的肤色检测算法；其次在肤色统计分析的基础上，提出了基于区域高宽比率和面积占有率的区域优化方法优化候选区，去除其他类似肤色的区域。2。

Combining the FEM modeling of lateral deformation of earth-retaining wall of foundation pit, cross test design technique is used in the sensitivity analysis of mathematical simulation.

结合深基坑重力式挡土墙侧向变形的有限元分析，提出了采用正交试验设计及其统计分析方法研究数值模拟结果对岩土参数敏感性的步骤。

Gave out to apply logging data to sentence other method integratedly, analysed convention to explain choice principle of the method, on the foundation of law of triangular drawing board, gave out to improve model Q is worth a law, combine the statistical analysis of many pairs of mouth wells in the light of C_2/C_3 ratio law, gave out to improve model differentiate standard, shunt-wound department practice offerred way of simple and easy parameter.

给出了应用录井资料综合判别的方法，分析了常规解释方法的选择原则，在三角形图板法的基础上，给出了改进型的Q值法，针对C_2/C_3比值法结合对多口井的统计分析，给出了改进型的判别标准，并联系实践提出了简易参数法。

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。