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.

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。

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。

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

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

行卡方检验、t检验。

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。

[ 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%。

The Method of Mixed two-phase Stratified Sampling in Market Research; Methods Stratified chester random sampling.

市场调研中的混合双重分层抽样方法方法采用分层整群随机抽样的调查方法。

Any of various birds of the widely distributed family columbidae, characteristically having deep-chested bodies, small heads, and short legs, especially the rock dove or any of its domesticated varieties.

鸽子一种分布很广的鸽亚科鸟，特点是有厚胸的身体，头小，腿短，尤指野鸽或家鸽。

The other health problem in Borzoi ( and any deep-chested dog) is the occurrence of bloat and torsion.

另一个有关于猎狼（和任何胸深的犬种）的健康问题是胃涨气和胃扭转。

An old breed of powerful deep-chested smooth-coated dog used chiefly as a watchdog and guard dog.

古老品种的健壮的狗，胸部很厚并且皮毛光滑，主要用于看门狗和看家狗。

A big, deep-chested wrestler Dyke himself was a heavy built, well-looking fellow.

身材魁梧、胸部很厚的摔角者.戴克是个身材魁梧、脸相漂亮的家伙。

Teng step and seat comfort is also the general, and lateral support package is not satisfactory.

而且迈腾的座椅舒适度也一般, 包裹性和侧向支撑都不尽如人意.

Mogotan as Leading technology of business car was approved by the market.

作为一款“科技领先”的商务轿车,迈腾在高科技方面受到市场的认同.

Having said that shortcomings are not any merit on a step-teng it?

说了这么多缺点,是不是迈腾就一无是处了 吗 ?

This starts at the top: Yale would never dream of competing with Harvard on price.

这种趋势从顶尖学校开始: 耶鲁绝对不会想到和哈弗拼学费.

Haversian to fashion, science and technology, fine quality and brand value of the award-winning cost-effective.

哈弗以时尚 、 科技 、 精美的品牌价值和优秀的性价比屡获殊荣.

Harvard structure and the high speed pipeline instruction operation further enhance the running speed.

哈弗结构,高速流水线指令操作进一步提高了运行速度.

June Carver, June Carver, June Carver.-She went to Harvard.

珍卡尔华, 珍卡尔华, 珍卡尔华. - 她在哈弗念的书.

Hafeezullah, Managing Director , Ghantoot Marble , runs an industry in Marble City.

Ghantoot 大理石的总经理 哈弗日拉夫 在大理石城经营一项产业.

The Havel lake froze over for about three months.

哈弗尔河封冻了三个月.