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Abstract: Based on 1∶50 000 high-precision aeromagnetic data of 1996 and consulting other geophysical and geological data,this paper has analysed the framework of basement structure and fault structure and,in particular,probed into the relationships of ae
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文摘:以1996年1∶5万高精度航空磁测资料为基础，参考其它地球物理及地质资料，对山东黄河口地区基底构造、断裂构造格架进行了分析，尤其是探讨了航磁场特征、基底构造、断裂构造与地下热水分布的关系，在此基础上对本区的地热水远景进行了初步的分析。 |
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Abstract: Based on Equivalent Liquid Surface Descending Method(ELSDM)and Isolated Melting Zone Method,a multi-hot-spot and simultaneous shrinkage-feeding method was established to predict the shrinkage cavities of steel casting during solidification simul
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文摘:本文在等效液面收缩法和孤立域法基础上建立了预测铸钢件缩孔的新方法——多热节和即缩即补方法，该法实现了对模拟铸件各热节的内部动态瞬时补缩，并采用该方法对两个实际铸钢件进行了缩孔分析。 |
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Abstract: Based on Genetic Programming(GP ),a new method of formula discovery from data is introduced.The details of the method description,the design and development of the key data structure of this method are presented.Finally,two representative simula
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文摘:本文通过对遗传建模和公式发现进行分析，提出了基于遗传建模的公式发现算法，并给出了具体的描述，对算法中关键对象的数据结构给出了具体的设计，最后针对数列归纳和公式发现给出了运行结果。 |
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Abstract: Based on PGP algorithm,this paper proposes animprove d crypto-system that can be applied to the secure electric mail,and its securit yis also discussed.
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文摘:基于PGP算法，文中提出了一个应用于安全电子邮件的改进保密系统，并讨论它的安全性. |
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Abstract: Based on a description of the principle of surface wave survey exemplified by the surface wave exploration in the harnessing and beautification of Fenhe River, this paper recounts the field work method,data-processing and geological effects of s
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文摘:通过对面波勘测原理的介绍，结合太原城区汾河治理美化工程面波勘探实例，简述面波勘探野外工作方法、资料处理及达到的地质效果。 |
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Abstract: Based on a lot of technical literature both abroad and domestic,this paper analyses the recent developments and the general trend of dewatering tech nolohy.
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文摘:在查阅大量文献资料的基础上，分析了国内外高效脱水技术与设备的发展动态，分析了今后的发展趋势。 |
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Abstract: Based on a previous algorithm proposed in [ 1 ], this paper addressed an adaptive hashing algorithm of Chinese characters.
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文摘:在文献[1]的基础上，本文提出了一个适合中文信息处理用的汉字自适应散列分组查找算法。 |
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Abstract: Based on aeromagnetic data,this paper has analysed and studied regional tectonic characteristics and evolution of Yingen-Ejin Banner basin,affirmed the existence of NE-trending fault in this area,and probed into the role of the formation and dev
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文摘:根据航磁资料，分析和研究银根―额济纳旗盆地的区域构造特征及其演化，同时确定了该区北东向断裂的存在，并探讨该组断裂的发生发展对区域构造的作用。 |
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Abstract: Based on an introduction of some language acquisition theories in relation to the similarities and differences in developing proficiency in firstand secondlanguage,this paper is an attempt to shed light on the multiple dimensions of language acq
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文摘:通过介绍二语习得理论中关于第一语言和第二语言语言水平发展的异同的相关研究,阐明了语言习得/学习过程是一个包含语言,认知,情感和社会交往等多重范畴的过程.在很大程度上,第一语言和第二语言习得/学习的特殊性(如年龄,认知能力,学习动机,学习策略,社会环境等)决定了第一语言和第二语言在语言水平的发展上存在很大的差异性.鉴于此,本文也深入探讨了第一语言和第二语言语言水平发展的差异性对于外语教学的启示作用. |
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Abstract: Based on an investigation about the natural enemy biological resources current situation was made at Qufu Konglin,and some concrete measures for the rational development,usage and protection of natural enemy biological resources was set forth.
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文摘:在对世界最大的人造园林之一——曲阜孔林中的天敌生物资源进行全面调查研究的基础上，进一步对其合理开发利用和保护进行了阐述。 |
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Abstract: Based on analyses of the basic conditions of reservoir induced seismicity occuring in Tongjiezi, this paper mainly studies the tectonic-stress environments and hydrological, geological conditions of the typical reservoir induced seismicity in th
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文摘:在讨论铜街子水库诱发地震发生的基本条件基础上，重点剖析了水库下游福禄一带的典型地震事件发生的构造-应力环境条件和水文地质条件，认识到该区存在顺层型传导空隙水压的结构，并对此结构类型的空隙永压传导进行了数值模拟。 |
