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To apply ARIMA models the time series needs to be stationary. A stationary time series is one whose statistical properties such as mean, variance and autocorrelation are constant over time. If the initial time series is not stationary it may be that some function of the time series, e.g. taking the differences between successive values, is stationary.

运用ARIMA模型时时间序列必须是固定的，一组固定的时间序列是它的统计特性诸如平均值＼差异和自相关等随着时间的推移而始终不变，如果最初的时间序列不固定这是由它的某些函数引起的，以序列值之间的差额为例，它们是固定的

1St, foreword main point: A, about Earth's internal heat circulation as well as successional variation process three important times: Birth time, lifeless time, until has the life time; B, the earth interior stone fruits archery target thermonuclear reaction, causes the earth interior material convection and the Earth revolve production as well as terrestrial magnetic field production three between relations; C, also has in has the life time, the vital activity to the entire internal heat circulation influence as well as to the earth's atmosphere influence; D, has the life time, in the stratum the coal and the petroleum, the natural gas and so on the fixed energy storage which as a result of energies and so on zoology and botany absorption transformation sunlight forms, to Earth internal heat circulation influence as well as with earth's crust each kind of movement relation, such as: The plate movement, the volcanic earthquake, the orogenesis, the Earth moves the fierce degree the periodic phenomenon and so on.

前言要点： A 、关于地球的内热循环以及演变过程的三个重要时期：诞生时期，无生命时期，直至有生命时期； B 、地球内部核物质的热核反应，引起的地球内部物质对流与地球旋转的产生以及地球磁场的产生三者之间的关系； C 、还有在有生命时期，生命活动对整个内热循环的影响以及对地球大气的影响； D 、有生命时期，地层中煤与石油、天然气等由于动植物吸收转化太阳光等能量而形成的固定能量存储，对地球内热循环的影响以及与地壳各种运动的联系，诸如：板块运动，火山地震，造山运动，地球活动剧烈程度的周期性现象等。

In combination with the general principle of education, the article reviews the cadre education at the time of Yan'an, it is believed the momentum of success of cadre education at that time is: Comrade Mao Zedong played a crucial role in the cadre education in Yan'an time; and the Party Center's highly regarded education, and strengthened the leadership of cadre education in Yan'an time, and adjusted the unadapted organizational structure, all the party members and cadres treated it seriously, and leaders set themselves as examples; the cadre education at that time is accordant with educational rules and the historical development rule of party, conforming to historical requirements; correct guidelines and methods were utilized.

总结延安时期中国共产党的干部教育的基本特征有：坚持思想领先，不断加强思想教育；注重党员管理，符合教育规律；强化党内团结，提供组织保证；运用方针正确、方法得当，把学习同总结历史经验结合起来，提倡和风细雨，正确开展批评与自我批评，正确对待犯错误的同志。

Because the time press the individuality characteristic is the time press:①In order to achieve the achievement to try hard to struggle;②Has competitiveness;③Easy impatient;④Has the time sense of urgency;⑤The spoken language and the manner are uncouthly;⑥To overworks guaranteed;⑦Tries to outdo others heart, dedication to work, ambitious, has the intense time press, in the short time does the much works the request, thus causes the aggressive driving behavior the production.

由于时间紧迫的个性特征是时间紧迫：①为取得成就而努力奋斗；②有竞争性；③易不耐烦；④有时间紧迫感；⑤言语和举止粗鲁；⑥对工作过度地保证；⑦好胜心强，事业心强，雄心勃勃，有强烈的时间紧迫，较短时间内做大量工作的要求，从而导致攻击性驾驶行为的产生。

Vivipara under different weather conditions all showed two peaks, there still existed differences in the beginning and standing time of their activities, the appearing and standing time of the activities peaks, and the values of the peaks. In fine days, the beginning time of the activities was earlier, and the duration and interval time were longer; while in cloudy days, the duration for activities was shorter, and the appearance frequency of activities peaks was higher. The males devoted more time to activities and appeared more at activities peaks than the females, while the juveniles began activities later and appeared lesser than the adults.

不同性别、年龄和天气条件下胎生蜥蜴的日活动节律均为双峰型，但各种活动开始和持续的时间、活动高峰出现和持续时间以及峰值方面存在差异，晴天时胎生蜥蜴开始活动的时间早，2次活动高峰的持续时间及间隔时间长，而阴天时胎生蜥蜴的活动时间短且集中，在活动高峰时的个体出现率高；雄性比雌性的活动时间长，出现率高，幼体开始活动的时间比成体晚，出现率低。

Vivipara under different weather conditions all showed two peaks, there still existed differences in the beginning and standing time of their activities, the appearing and standing time of the activities peaks, and the values of the peaks. In fine days, the beginning time of the activities as earlier, and the duration and interval time ere longer; bile in cloudy days, the duration for activities as shorter, and the appearance frequency of activities peaks as higher. The males devoted more time to activities and appeared more at activities peaks than the females, while the juveniles began activities later and appeared lesser than tile adults.

不同性别、年龄和天气条件下胎生蜥蜴的日活动节律均为双峰型，但各种活动开始和持续的时间、活动高峰出现和持续时间以及峰值方面存在差异，晴天时胎生蜥蜴开始活动的时间早，2次活动高峰的持续时间及间隔时间长，而阴天时胎生蜥蜴的活动时间短且集中，在活动高峰时的个体出现率高；雄性比雌性的活动时间长，出现率高，幼体开始活动的时间比成体晚，出现率低。

In the whistle stop in my hometown,it is the first time I have'nt travelled leisurely around the samll river which reminds my childhood happy times;it is the first time I perceived vividly a few more white hair on mother's head;it is the first time I choosed personally one pair of shoes for father;it is the first time I saw happy and delighted smile on father's face;it is also the time I feel that my shoulder taking on,which is no one family,but one household.

在这次家乡的短暂停留过程中，我第一次没有去小河边追忆我的童年往事，第一次切切的感觉母亲的白发又频添几根，第一次亲自给父亲挑了双很好的鞋，第一次看见父亲脸上快慰的笑容，第一次觉得我以后我担负的不是一个家，而是一家人。

Alrighty alrighty time time time is abt time,when do we have time!

好吧好吧，时间时间时间是，关于时间，我们多久才有时间啊！

The effects of doping concentration of iodine, doping time, doping temperature and exposure time on volume resistivity of anthracite were studied; and also the effects of solution concentration of cupric chloride, doping time, doping temperature, soking time of cupric chloride and exposure time on the volume resistivity were studied; Anthracitic resistivity has been decreased in dissimilar extent, and furthermore ,volume resistivity stability of the doping anthracite made by liquid phase doping method is more better than gas phase mothed; Resistivity and its stability were better than the doping method of iodine in fused salt doping method of cupric chloride.

研究了I_2掺杂浓度、掺杂时间、掺杂温度和暴空时间对无烟煤电阻率的影响；探讨了CuCl_2溶液的浓度、掺杂时间、掺杂温度和CuCl_2溶液浸泡放置时间以及暴空时间对无烟煤电阻率的影响：结果发现：I_2气相掺杂和液相掺杂均使无烟煤的电阻率有不同程度的降低，而液相掺杂法所得材料的电阻率稳定性更高；CuCl_2熔盐掺杂法所得材料的电阻率及其稳定性均优于I_2掺杂法。

Validating the range-synthesis model of time memory, in the research on retrospective time memory, in experiment 1, we selected 14 recognizable news events from 1995 to 2000,in experiment 2, fifteen film episodes and eight news segments were broadcasted aperiodically to examine the retrospective time memory;results showed that, the range-synthesis model of time had predictive validity to retrospective time memory.

对时间记忆的分段综合模型的验证，在回溯式时间记忆的研究中，实验1选取1995年到2001年之间发生可辨别的新闻事件14项，实验2在2个月的时间内不定期地给被试播放15个影视片断和8个新闻事件，要求被试进行回溯式时间回忆；结果发现，时间记忆的分段综合模型对回溯式时间记忆具有预测效度。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。