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Abstract: On the basis of such evaluation indexes as landscape diversity, landscape fragmentation and landscape isolation, quantitative analysis was made on the landscape spatial pattern of the typical silty coastal zone in Bohai Bay and the impact of hum
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文摘:以景观多样性、景观破碎度和景观分离度作为评价指标，分析渤海湾淤泥质海岸带典型地区景观空间格局以及人类活动对景观结构的影响。 |
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Abstract: On the basis of summing up the enforcment and popularity of agricultural overall design, the cybernetics and control method of agricultural system， were studied and applied in practice.
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文摘:在总结农业总体设计实施与推广的基础上，对农业系统控制理论与控制方法进行了研究，并在实践中进行了应用。图4，表1。 |
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Abstract: On the basis of systematic synthesis, and study on the recent comprehensive geophysical-geochmical data, such as seismic, gravimetric, magnetic, electric, comprehensive logging, radiometric survey, this paper divides the second-order tectonic un
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文摘:本文全面系统地整理和分析研究了巴楚地区地震、重磁、电法、综合测井、放射性测量等最新的综合物化探资料，划分出了该区中新生代沉积盆地基底的次级构造单元、盆地结构构造以及盆地基底岩性；查明了盆地盖层的层序结构、埋深、厚度及空间展布；分析了蚀源区和基底岩性的铀源条件和新生代地层的含铀性及铀的活化迁移规律。 |
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Abstract: On the basis of that the proportion of time spent sparking is analyzed in Electrical Discharge Machining(EDM)process,a new method.which is used to ascertain the trend of discharge gap change,is presented.And a fuzzy control strtegy is introduced
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文摘:通过对电火花成形机放电状态的分析，提出了利用分析周期内出现异常放电状态时间的比例及开路状态所占时间的比例，来判别电火花成形加工的间隙放电状态及其变化趋势的方法，并在此基础上利用模糊控制策略实现了对电火花成形加工过程中放电状态的控制，取得了令人满意的效果。 |
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Abstract: On the basis of the analysis about noise sources of the air compressor,it shows that air dynamic noise is primary one.According to the theory of fluid mechanics,the mathematics model of the air compreesor air dynamic noise is found,which shows t
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文摘:通过对空压机噪声源的分析，确认空压机噪声源中的空气动力性噪声为最强；由流体流场的声学理论，建立空压机动力性噪声源的力学模型，它表明声功率与其它参数的关系；并知空压机的空气动力性噪声呈低频特性，这为噪声及振动控制提供了可靠的依据. |
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Abstract: On the basis of the atmosphere-crop-soil systems, the synthetical production potentiality model of the grain crops is established in Guizhou, the concept of crop increase production potentiality index is posed, the prospects of the synthetical i
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文摘:从大气作物土壤系统出发，建立了贵州省主要粮食作物综合生产潜力模式，提出了作物增产潜力指数的概念，分析了在现实条件下和未来条件下作物综合增产潜力的前景。 |
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Abstract: On the basis of the author's theoretical study on translation and bilingual lexicography and her own experience in translating the New Oxford Dictionary of English, this paper attempts to find out the criteria for translating entry words in Engl
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摘要：作者通过学习研究翻译学和双语词典学的有关理论知识，并根据自己参与编译《新牛津英汉双解词典》的实践经验，试图揭示英汉词典中的词条翻译标准。 |
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Abstract: On the basis of the background of bus rapid transit planning in Jinan, this paper introduces the necessity of developing bus rapid transit planning in Jinan.
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摘要：本文在介绍济南快速公交系统规划背景的基础上，阐述了济南发展快速公交系统的必要性。 |
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Abstract: On the basis of the basic principles of ecology,the shrub vegetation in the Hexi Corridor was classified into eight types,of which distribution,ecological characters,ecological significance and relations with soil were studied,with emphasis on t
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文摘:本文从生态学基本原理出发，对河西走廊灌丛植被以群落建群种为基础进行了分类研究，将灌丛植被划分为8个类型，分别对灌丛群落的分布、生物学特性、生态学意义以及各类灌丛植被与土壤之间的关系，特别是对灌丛植被在改善河西走廊生态环境的作用、在干旱荒漠系统的防风固沙、建立荒漠草场以及防治荒漠化等方面进行了研究，并就河西走廊荒漠系统生态重建与可持续发展提出了对策。 |
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Abstract: On the basis of the constituent chemical bonds of crystal materials,the application of chemical bond viewpoint in the search for new type nonlinear optical crystal materials was studied and disscussed in the present work.
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文摘:从晶体组成化学键的角度出发，研究和探讨了化学键观点在寻找新型非线性光学晶体材料工作中的应用. |
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Abstract: On the basis of the current situation of the researches on earthquake prediction and earthquake mechanism，the authors of this paper give their opinions on the complication of the crust and its dynamic process,and make a brief description of the
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文摘:就地壳及其动力学过程的复杂性,结合地震预报与机理的研究现状和方法,提出了个人的看法,简介了非线性动态有限元方法。 |
