When the engineer saw the red light he put on the brake suddenly down the train.

The report puts the blame for the accident squarely on the driver of the train.

报导乾脆地将意外的错怪在火车司机的身上.

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The driver excused the locomotive from the train.

火车司机使火车头与火车分开.

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The driver speeded up the train.

火车司机加速行驶.

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Men are seen there with the dreadful chimney-pot hat, but there are very few hatless men;

这里的人们头戴笨拙的烟囱管帽，却极少发现头顶无帽者；

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Care must be taken in the interpretation of the chi-squared test, since it has low power in the ( common) situation of a meta-analysis when trials have small sample size or are few in number.

必须重视对卡方分析结果的解释，因为当试验只有很小的样本量或者数量极小时，通常情况下Meta分析具有较低的把握度。

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Statistical analysis was performed using chi-squared test.

用χ2检验进行统计。

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The quantitative data was analyzing by using Chi-squared test, ridit analysis and logistic regression.

有关定量资料，采用卡方检验，ridit分析，logistic回归等方法。

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Meanwhile, we introduce the noncentral chi-square gamma distribution that can interpret the physical reason of radar clutter better.

同时介绍了较能贴近雷达杂波物理成因的非中心x~2伽马分布的产生原理。

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Noncentral chi-Square Gamma Distribution Clutter Model

非中心化chi平方伽玛分布杂波模型

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In this paper, we use Chi-square distribution instead of Gaussian distribution as the model of ASE noise. Irregular repeat accumulate ( IRA) codes have high performance very closed to Shannon limit. We apply IRA codes to the long haul fiber communication system.

本文提出用x平方律分布模型代替高斯信道模型，并将高性能的不规则重复累积（IRA）码应用于远程光纤通信系统。

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Then, we describe the time distribution of practical overtime by chi-square distribution. After deducing the wage-output efficiency, we take it as the assessing standard of wage-pricing method, and find the optimization model with which the optimal wage-pricing is satisfied.

然后应用X2分布描述了加班时实际工作时间的分布，得出了工资产出效率，以此作为工资定价的评价标准，导出了最优工资定价方案满足的优化模型。

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In this paper, it proposes three SD algorithms to aim to improve the loose of layer radiuses: ( 1) It proposes a statistical pruning SD based on the expectations of chi-square distribution ( EPSD).

本文从改进层内各检测半径的松散性出发，提出三种改进的球形译码算法。如下：（1）提出一种基于卡方分布期望值的统计裁剪球形译码算法（EPSD）。

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It is found that the pdf is a noncentral chi-square distribution for a synchronized code, but a central chi-square distribution for the unsynchronized situation.

结果发现，对于码同步时，pdf是非中心X平方（Chi-square）分布，然而，对于码非同步时，pdf是中心X平方分布。

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This paper analyzes several arithmetics of track correlation and set forth a arithmetic which integrates NNA with chi-square distribution, and computes statistic mean value to select track.

本文分析了多种航迹关联算法，提出一种将最近邻法与chi-square分布相结合，通过计算统计均值选择航迹的关联方法。

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Methods the theory of Chi square distribution, the SAS system and sampling survey were used.

方法使用卡方分布的理论，SAS软件及抽样调查方法。

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And in the fault detection, a new integrated chi-square test is proposed.

并且在对系统进行故障检测方面，提出了一种新的组合式X2检验法。

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Application of Chi-square Test in Period before Strong Earthquake of North China

卡方检验在华北强震前的应用

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The results were analyzed with the chi-square test and t test.

行卡方检验、t检验。

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Count data by using chi-square test, t test measurement data.

计数资料用卡方检验，计量资料用t检验。

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[ Methods] Investigation was conducted in residents over 15 from 6 villages and 3 street district with multiplestage stratified chester random sampling method in Wuhan in 2002. [ Results] Of the 356 people investigated, the morbidity rate of the disease was 2.81%.

[方法]2002年用多阶段分层整群随机抽样方法，抽取武汉市蔡甸区3个街、6个村的部分15岁以上居民进行调查。[结果]调查356人，糖尿病患病率为2.81%。

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