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The first part is preface, on the basis of expounding the background, the purpose, the meaning and the thinking of the thesis study, briefly introduce the research achievements of domestic and international urban spatial structure; the second part is summary, expatiate on the connotation, component, research span and space type of urban spatial structure; The third part is theory foundation, mainly introduce the three classical models of city spatial structure in the west country (concentric circles mode, fan-shaped mode and multi-core mode) and the relative city development theories (growth pole theory, dot-axis theory, core-fringe theory, metropolis circle theory and city space evolution theory); The fourth part is general situations of study region; The fifth part is the analysis of Lanzhou city spatial structure evolution, along the historical venation Of city development, on the basis of analyzing industrial structure change, focus on and sumup the characteristics of spatial development and form, meanwhile, analyze factors which influences the spatial development; The sixth part is the analysis of Lanzhou city spatial development trend, put forward the development models of Lanzhou city spatial structure from three space aspects(the core city, the city, region) in the future, they are group gobbet structure, fingers structure, circle structure; The seventh part is to mainly put forward the development strategies for the different spatial structure models.

第一部分为前言，在阐明论文研究背景、目的及意义、思路的基础上，简要介绍了国内外城市空间结构相关研究成果；第二部分为概述，对城市空间结构的内涵、组成要素、研究尺度及其空间类型作以介绍；第三部分为理论基础，主要是对西方城市空间结构的3大经典模型(同心圆模式、扇形模式和多核心模式)以及与本研究相关的城市空间发展理论(增长极理论、点轴理论、核心——边缘理论、都市圈理论和城市空间演化理论)的介绍；第四部分为研究区概况，主要是对研究区域范围的界定及其社会经济发展概况介绍；第五部分是兰州城市空间结构演化分析，顺着兰州城市发展的历史脉络，在分析产业结构变动的基础上，着重对城市空间发展及其形态特征进行归纳总结，并分析了空间发展的主要影响因素；第六部分是兰州城市空间发展趋势分析，从中心城市、市域、区域3个空间层面上提出未来兰州城市空间结构的不同模式，即组团结构、指状结构、圈层结构；第七部分是城市空间发展策略，针对不同的城市空间发展模式提出一些对策建议。

The common infectious disease inspects including the seminal fluid or the prostate gland chlamydia, mycoplasma,gonococcus and so on microorganism infection venereal diseases correlation detection, hepatitis, syphilis, AIDS correlation detection.

常见的传染病检查包括精液或前列腺衣原体、支原体、淋球菌等微生物感染的性病的相关检测，肝炎、梅毒、艾滋病的相关检测。

Sleep researchers refer to these early risers as larks (midnight-oil-burners are known as owls), and new data presented this week at the annual Associated Professional Sleep Societies suggest that a student's preferred sleeping schedule has a lot to do with his or her grade-point average in school.

睡眠研究人员提及这些早起的人称他们为"云雀"（最能熬夜的午夜燃烧器是猫头鹰），最新的发表在这周的《年度相关专业睡眠协会》的数据表明：学生首选的睡眠时间表与他或她在学校的平均学分积有很强的相关。

The person that had better hope through be out of shape the successful strategy of the foreign cartoon such as King Kong gives we do a website in order to inspire, when be out of shape the cartoon such as King Kong enters China, lose money in business is entered, foreign manufacturer did not carry a gramophone record this book will make money, carry movie force however, rely on relevant toy to wait gained more income, relevant example still has a lot of.

最好希望通过变形金刚等国外动画片的成功策略给我们做网站的人以启发，变形金刚等动画片进入中国时，是亏本进入的，国外制造商并没有通过片子本书来赚钱，而是通过片子影响力，靠相关的玩具等获得了更多的收入，相关的例子还有很多。

An experiment of water-rock interaction in the packed bed reactor between granodiorite and pure water under the condition of stable pressure of 22 MPa and continuous current has been performed to study the formation process of the Hucun skarn copper deposit in Tongling,Anhui.

以铜陵胡村矽卡岩型铜矿为研究对象，选择与成矿关系密切的花岗闪长岩，在22MPa恒压、不间断流动条件下，与纯水在叠层反应器中进行水-岩反应动力学实验研究。结果表明，水-岩反应速率与流体流速成反相关，与流体在体系内的停顿时间成正相关。

The factors of 16PF were positively correlated with SCL-90 total score (P.05) except gregariousness,high intelligence,fantasy,and worldly-...

除乐群、聪慧、幻想、世故外，16PF各因素均与SCL-90总分显著相关(P.05)；SCL-90各因子分均与16PF次级因素心理健康及内外向显著负相关(P.01)。

NCI's Dr. Le Grice said studies will be launched to determine whether XMRV is associated with other diseases.

美国国立癌症研究院的格莱斯说，将进行相关研究，确定XMRV是否与其他疾病相关。

The results indicate as following : EEG can be used as a statistic index; There is no obvious difference of EEG among athletes in different sports levels and sports group ;The correlation coefficients of EEG with IQ and PIQ are 0.15 and 0.53 respectively ,which is too low to be a useful guidance for IQ selection of athletes .

结果表明：脑象图可以作为一项统计学指标使用；脑象图在不同专项、不同水平运动员之间无显著性差异；脑象图与智商 IQ和操作智商 PIQ的相关系数分别为：0 。5 1和 0 。5 3 ，由于相关系数较低，尚不能作为运动员智力选材的一项指标。

intracerebroventricular injection of urocortin ⅲ activates cell groups related with gustation, feeding and stress, the distribution of which partially overlaps with the sites of crf2r expression.

侧脑室给予urocortinⅲ激活了与味觉和摄食调控相关的细胞群以及与应激相关的细胞群，其分布与crf2r的分布大部分重叠。

The fossilized duckbilled hadrosaur is so well preserved that scientists have been able to calculate its muscle mass and learn that it was more muscular than thought, probably giving it the ability to outrun predators such as T.

最近，科学家们找发现了一具恐龙化石，它的保存完好程度让许多科学家惊叹。本文通过引用相关人士的评论，结合相关事例，使读者对这一木乃伊式的恐龙化石有了更多的了解。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。