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Based on 452 specimens and samples collected from seven karst caves in England from 1998 to 2000, the floristic characteristics of the bryophytes of karst caves including (1) the bryoflora consist of 65 taxa in 41 genera and 20 families; (2) The phyto-geo
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摘要根据作者1998~2000年采自英格兰7个岩溶洞穴452份苔藓植物标本研究，英格兰岩溶洞穴苔藓植物区系具有下列特征：(1)区系种类由20科41属65种（含变种亚种）组成；(2)区系地理成分含北温带分布(52.30%)、温带欧洲分布(15.38%)、欧洲－亚洲分布(1.54%)、欧洲－北美分布(12.31%)、旧世界温带分布(4.62%)、英国特有(1.54%)和世界广泛分布(12.31%)等7种成分；(3)生活型含高丛集型(9.22%)、矮丛集型(20%)、交织型(61.54%)、扇型(4.08%)和 |
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Based on 80C196KC single-chip microprocessor AC sample system, this paper especially analyses various factors that influence the precision of Half-cycle Fournier Arithmetic, makes improvement on many ways such as arithmetic ,frequency measure, sample step
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摘要结合80C196KC单片机交流采样系统，著重分析了影响半波付里叶算法精度的各种因素，并在交流采样算法、测频、采样步长划分、采样同步、单片机A/D转换、抗干扰以及参数计算等方面提出了改进，给出了实用的硬件图和软件流程图。 |
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Based on 9 years' field data of bed-load transport and the corresponding hydraulic parameters at the Erwangmiao hydrology station on Dujiangyan river, 6 formulae for the prediction of the sediment transport are analyzed.
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摘要以都江堰二王庙水文站9年实测的卵石推移质输沙率资料和对应的水力参数为基础，选用6个有代表性的公式进行了分析计算和对比。 |
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Based on APQC*s study of and collaboration with best practice organizations over a period of years, APQC*s Road Map to Knowledge Management Results: Stages of ImplementationTM framework spells out the essential steps to achieve true knowledge management i
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根据APQC多年的在最佳实践基础上的研究和总结，这份实施指南说明了成功知识管理实施阶段中的关键步骤。 |
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Based on ARCGIS, DISCOVERY and GOCAD software platform, we built a 3D geological model of the Yanjinggou anticline using 3D seismic data in the area.
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文中基于Arcgis、Discovery以及Gocad等三维软件平台，对川西盐井沟地区地震资料进行精细的解析，得出盐井沟背料是一个典型的三剪断层传播褶皱，并建立了它的三维模型。 |
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Based on Atasu (Kazakhstan)-Alashankou (China) Oil Pipeline Project, this article illustrates from the owner's viewpoint the contents, flow chart and methods of the owner's project cost control system.
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摘要对于投资大、合同多的工程建设项目，拥有一个高效的费用控制系统非常重要，可以有效合理地控制项目资金的投入和分配。 |
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Based on B/S and WWW technology, the Teaching Management Information System of Tangshan Teachers College is generally designed in combination with the practice of teaching administration.
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摘要以B/S体系结构及WWW技术为基础，结合唐山师范学院教务管理的实践，阐述了唐山师范学院教务管理信息系统的总体设计思路。 |
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Based on Chen Guoda's historic-causationist geotectonics and the thought of four-dimensional space-time, the polygenetic compound metallogenic characteristics about the deposit is discussed, finally it is determined as a typical polygenetic compound depos
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根据陈国达历史－因果论大地构造学提出的多因复成矿床概念和时空四维兼顾研究思路，讨论厂阿舍勒铜矿的多因复成矿床特徵，厘定其为一个多因复成型矿床。 |
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Based on Chinese fire information phrases and the situation for Chinese firefighters detecting fire information, the effects of speech rate and tune on intelligibility of fire alarm-related words and sentences under different levels of noise ware investig
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摘要以汉语消防用语为实验材料，结合消防界面使用环境的高噪音特点，通过工效学实验，研究不同长度、内容的语音信号在不同噪音水平下的可懂度。 |
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Based on Chinese traditional philosophical thinking, beginning from Introducing the Chinese traditional ecological main Ideas, this paper analyzes the meanings of ecological culture in the Chinese traditional building unit from its three parts-roof, body
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摘要该文以中国传统哲学为背景，在简要梳理中国传统生态核心思想的基础上，以中国传统建筑单体作为研究对象，分别从建筑单体屋顶、台基、屋身三段构成来分析其生态文化内涵，并探讨它与中国传统生态思想之间的相关性，以求从一个新的角度来认识中国传统建筑的设计理论和方法，也可为现代生态建筑的发展提供借鉴。 |
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Based on Communication Entropy theory , we draw the exact conclusion as sequentially censored statistical testing scheme in this paper.
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从信息熵的角度出发，推导出与序贯截尾统计试验方案一致的结果。 |
