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natural development     
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  自然发展
     I mainly probe in three modes: the natural development, the high speed development and the sustainable development.
     文中主要探讨3种经济发展模式:自然发展模式、经济高速发展模式以及经济可持续协调发展模式。
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     The Process of Social Development and the Process of Natural Development
     社会发展过程与自然发展过程
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     Advances in Natural Development of Human Muscle Strength
     人体肌肉力量自然发展研究进展
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     Conclusion:In the developing region of our country with the economic development,the incidence of o-ral diseases is increasing,and thus we must take actions to intervene in the natural development of oral diseases to protect oral health.
     结论:随着延安市社会经济发展,口腔疾病呈上升趋势,必须采取口腔卫生保健措施干预社区人群口腔疾病的自然发展
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     It is not a result from natural development of the local economy, but the reaction to the Western powers'capital and commodity invasion, which forced the Northeast region into a capitalist colonial system.
     它不是东北地区经济自然发展的结果,而是西方列强通过商品入侵和资本入侵,强行把东北纳入了资本主义殖民体系之后的被动反应。
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  自然开发
     Marx's outlook on nature,the unity of man and nature, differs from the negative conception of natural conservation and the traditional opinion on natural development.
     马克思的自然观与消极的自然保护观,传统的自然开发论皆不同,其阐述的是自然与人的统一的观念。
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     People should pursue realized humanitarianism and realized naturalism, sublate the conception of natural conservation and the traditional opinion on natural development, and promote the unity of man and nature.
     人们应该扬弃自然保护观,自然开发论,追求"实现了的人道主义"和"实现了的自然主义",促进人和自然的统一。
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     Before Japan occupied it, the city development in Taiwan experienced three stages: natural development, Holland and Spain colony, recaptured and management by Zheng Chenggong and his son, and unity by Qing Dynasty.
     日军侵占台湾以前,台湾地区城市的发展经历了早期自然开发、荷西殖民及明郑收复经营、清朝统一三个时期。
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  自然发育
     RESEARCH ON NATURAL DEVELOPMENT PROCESS OF VEGETATION IN THE FIELDS AMONG THE HILLS ON KERQIN SAND LANDS
     科尔沁沙地丘间地植被自然发育过程的研究
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     Age pattern and gender characteristic in relation to the natural development of dynamic isokinetic muscle strength of middle school students
     中学生动态等速肌力自然发育的年龄规律与性别特点
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  自然生长
     BACKGROUND:As a neurotrophic factor, neurotrophin-3(NT-3)is essential for the development of nervous system in amniotes, presented by enhancing survival a nd natural development of sensory and sympathetic nerves derived from nerve ridg e.But these effects required NT-3 transported from axon to neuronal cytoplast a fter uptake and ultimately cellular gene expression,which led to a series of rea ctions.
     背景:神经营养素3(Neurotrophin-3,NT-3)是脊椎动物神经系统发育所需要的神经营养因子,促进神经嵴源感觉和交感神经的生存和自然生长。 但其效应的发挥需其摄入后经轴突转运至神经元胞体,最终影响细胞的基因表达,产生一系列反应而实现。
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  natural development
The displacement and the momentum thickness curves representing the turbulent boundary layer development show a distinct peak in their natural development.
      
The paper describes a model pattern of the natural development of a mixed convective cloud, the concept of which is founded on alternating operationsMi andMa.
      
It is a natural development of other changes in government administration which have been introduced over the past few years.
      
In this paper, a novel abstraction of natural development, called Compositional Pattern Producing Networks (CPPNs), is proposed.
      
No correlation was found between gastric mucosal blood flow changes and the natural development of restraint erosions.
      
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The roles of the natural development and some properties of the soilsin this area are briefly discussed as follows:The soils are saline and calcareous in nature,in which over 70% of thetotal soluble salts are sodium chloride.Slight to moderate alkalinizationmay be developed,while the total soluble salt contents exceed 0.2%;butgenerally,there is no NaCO_3 present.The ground water table in this areais usally high,and the quantity and constituents of the salts in groundwater are directly varied with and influenced...

The roles of the natural development and some properties of the soilsin this area are briefly discussed as follows:The soils are saline and calcareous in nature,in which over 70% of thetotal soluble salts are sodium chloride.Slight to moderate alkalinizationmay be developed,while the total soluble salt contents exceed 0.2%;butgenerally,there is no NaCO_3 present.The ground water table in this areais usally high,and the quantity and constituents of the salts in groundwater are directly varied with and influenced by that contained in the abovesoils.The saline and alkali properties of soils in this area are originatedfrom the parent materials,through the action of the sea water when theywere deposited.As soon as the sea water ceased to affect,the soils as wellas the ground water are gradurally desalinized by natural leaching and thisprocess will be strengthened by the biological activities.As the desalinization of the soils is proceeded further,the ratio ofNa~+/Ca~(++)+Mg~(++)in the soil solution decreased and the amount of the exchan-geable Na on the soil colloidal complex is finally lowered.It is evident thatdesalinization also introduces the dealkalinization of the soils in this area;there is no hazard of strong alkalinization of the soils taken place throughleaching.

本文简要地说明了江苏省沿海地区盐渍土壤的自然发生过程及盐渍特性转化的规律,文中主要论点,可初步归纳如下:1、本区域的土壤,发育于盐渍性的冲积母质,土层中富含以氯化钠为主的可溶性盐类,并呈一定的“碱性”。土壤碱性表现在两方面:一方面是土壤胶体表面存在有较多的吸附性钠,另方面表现在本身具有较高的pH 值。2、在自然发生过程中,土壤盐渍性为地质过程遗留的影响;随受自然降水淋盐,河沟排水排盐及生物作用的影响,开始“脱盐、脱碱”和肥力积累过程,发育成为本区内现存的各种不同盐渍程度的土壤。3、随着土壤脱盐作用的进行,土壤盐渍的组成在变化;主要是可溶性盐阴离子中钠离子的含量淋失较速,最后降低了土壤溶液中Na~+/Ca~(++)比率。由于这种盐渍组成的改变,土壤胶体上吸收性Na~+也相应的降低,从而导致土壤的脱碱作用。因此本区土壤的脱盐不致引起土壤碱化。4、在自然发生过程中,本区域盐渍土的脱盐过程,一直是在潜水位较高的情况下进行的。在脱盐过程中,潜水位经常在临界水位以内,为本区自然脱盐过程中,最大特点;潜水动能和土壤的脱盐过程,存在着许多内在的联系。在一定地区内,一定盐渍程度、盐渍特性的土壤,则常有和其相适应的矿化潜水类型。...

本文简要地说明了江苏省沿海地区盐渍土壤的自然发生过程及盐渍特性转化的规律,文中主要论点,可初步归纳如下:1、本区域的土壤,发育于盐渍性的冲积母质,土层中富含以氯化钠为主的可溶性盐类,并呈一定的“碱性”。土壤碱性表现在两方面:一方面是土壤胶体表面存在有较多的吸附性钠,另方面表现在本身具有较高的pH 值。2、在自然发生过程中,土壤盐渍性为地质过程遗留的影响;随受自然降水淋盐,河沟排水排盐及生物作用的影响,开始“脱盐、脱碱”和肥力积累过程,发育成为本区内现存的各种不同盐渍程度的土壤。3、随着土壤脱盐作用的进行,土壤盐渍的组成在变化;主要是可溶性盐阴离子中钠离子的含量淋失较速,最后降低了土壤溶液中Na~+/Ca~(++)比率。由于这种盐渍组成的改变,土壤胶体上吸收性Na~+也相应的降低,从而导致土壤的脱碱作用。因此本区土壤的脱盐不致引起土壤碱化。4、在自然发生过程中,本区域盐渍土的脱盐过程,一直是在潜水位较高的情况下进行的。在脱盐过程中,潜水位经常在临界水位以内,为本区自然脱盐过程中,最大特点;潜水动能和土壤的脱盐过程,存在着许多内在的联系。在一定地区内,一定盐渍程度、盐渍特性的土壤,则常有和其相适应的矿化潜水类型。在自然发生过程中,随土壤的脱盐和盐渍特性的转化,潜水似亦随之发生相应的淡化和化学性质的变化。二者转化趋势,大致相符。彼此间的关系,是互相依存、互相制约的,在不断运动的过程中,似先有土壤的脱盐,而生导向潜水的淡化;但就土壤脱盐的过程言,本身同时又是潜水淡化的结果。5、在土壤脱盐的过程中,土壤盐分的动能比较复杂,一方面是全区土壤不断地脱盐,另方面是在一定的条件下,又可产生局部地区土壤表层的盐渍化。前者为本区盐渍土壤自然发生过程的实质,后者为临时性现象。此种现象,最终亦必随同潜水的转向淡化而逐渐消除。

This paper, by looking back on the whole course of its prepa ration, birth and development, and analysing its main viewpoints and arguments, points out that diwa theory is unique in its metho dology. The origin and affect of progression idea, as the core of diwa theory, has been stressed on and considered as a great creation in geologic research. The importance lise in the following items:1. It is in accordance with the infinity of natural development.2. It shows the principle of concrete methodology of...

This paper, by looking back on the whole course of its prepa ration, birth and development, and analysing its main viewpoints and arguments, points out that diwa theory is unique in its metho dology. The origin and affect of progression idea, as the core of diwa theory, has been stressed on and considered as a great creation in geologic research. The importance lise in the following items:1. It is in accordance with the infinity of natural development.2. It shows the principle of concrete methodology of using diale ctic negativism into scientific research work.3. It is an inevitable result of critising, inheriting and breaking through the traditional theory.It is pointed out that the progression idea can be considered as the context of geotectonic research and its methodology significance is still obvious. It may be rated as a great victory of materialist dialectics used in geologic research.

本文通过地洼学说的孕育。诞生和发展历程的回顾,以及它的主要论点和论据的分析,指出这个学说在方法论上有其独特之处。文中着重阐明作为地洼学说核心的递进思想的形成及其作用,认为它是地质科学研究中一大创造。其重要性在于下列几点:(1)它是以自然界发展的无限性为依据的;(2)它实质上是辩证否定观应用于科学研究的一个具体方法论原则;(3)它是批判、继承和突破传统理论的必然产物。文中指出,递进思想既可以看作大地构造研究的内容、理论,又具有十分明显的方法论意义.堪称唯物辩证法在地质科学中的一个胜利。

The natural development of warm cumulus and its evolution after salt-seeding are studied by using an one-dimensional time-dependent model. Calculations show that the life-time and rainfall amount of cumulus are closely related with the change of the surface temperature. For those cumuli whose life-time is short and updraft decays rapidly, the natural rainfall amount is small and the effect of salt-seeding is obvious. In most cases the increase of rainfall amount due to seeding reaches 50% or more...

The natural development of warm cumulus and its evolution after salt-seeding are studied by using an one-dimensional time-dependent model. Calculations show that the life-time and rainfall amount of cumulus are closely related with the change of the surface temperature. For those cumuli whose life-time is short and updraft decays rapidly, the natural rainfall amount is small and the effect of salt-seeding is obvious. In most cases the increase of rainfall amount due to seeding reaches 50% or more of its natural rainfall. On the other hand, for those cumuli whose updraft keeps for a long time, the original rainfall amount is large and the seeding effect is insignificant. Even on some occasions the rainfall amount slightly decreases due to seeding. Calculations also show that rain can be stimulated by salt-seeding from some cumuli which did not rain naturally. In such a case, the longer the natural life-time is, the larger the artificial rainfall amount is. The mechanism for rain-enhancement by salt-seeding in warm cumulus is discussed. The optimum seeding rate, lacation, time and the optimum size of salt particles are also examined.

用改进的一维时变参数化模式计算了浓积云自然发展和盐粉催化过程.在不同的地面温度条件下积云的动力过程和自然雨量有显著差异,其催化效果也不同.一般的自然降水浓积云,其动力过程演变较快,雨量较小,催化增雨量则较大,可达50%以上.动力过程长期维持的自然降水云,雨量较大,而催化增雨量较小,个别情况下催化后雨量稍减.自然不降水的浓积云催化后可能产生降水.它们的动力过程越稳定,催化后的雨量越大.文中还讨论了增雨机制,对盐粉的最佳粒度、剂量、播撒时机和部位也作了一些数值试验.

 
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