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In doing so, we have gotten these objects:(1)built the relationship between natural vegetation pattern of china and the climate,based both on Kira-index and dry/wet index;(2)built the phenology model describing main natural vegetation types of china,based on degree-day;(3)built the drought sensitivity function for main vegetaion types of china; and (4)integrated the drought sensitivity function with the PDSI.

在执行过程中我们基本上按照项目计划书的原初设计完成了如下的工作:①采用Kira的生物热量指数与生物干湿指数相结合的思想,建立了中国自然植被的空间分布与气候因素之间的数量关系;②利用有效积温与生育期之间的关系,建立了自然植被主要类型的物候模型;③根据文献中的实测资料建立了主要农作物类型、自然植被主要类型的缺水敏感性指数;④将此缺水敏感性函数代入Palmer干旱强度指数的计算模型之中。新的干旱强度指数计算步长为周(7天)。

A practical cooling regime was established then, and a network with better performances was obtained by combining simulated annealing algorithm with gradient descent method.

将模拟退火算法与传统的梯度下降法结合,用于人工神经网络的优化与预测,得到了预测效果等与迭代时间性能更好的神经网络。

This disquisition discusses the fixed structure "V Jiu V Zai P", which keeps to the principles of combining formal and meaning, static and dynamic, structure and function, descriptive and explanatory, roundly probes into this sort of structure from three planes: syntax, semantics and pragmatics.

本文考察现代汉语中的常见固定格式"V就V在P"。本文从句法、语义、语用三个平面,同时遵循形式与意义、静态与动态、结构与功能、描写和解释相结合的原则,对这一格式进行全面的探究。

First, this paper, in the field of intrinsic geometry, studies the geometric problems on garment design, as well as applies the frame and semi-geodesic coordinates to prove the fundamental theorem of being a developable surface.

文中首先在内在几何学的层次上,研究了服装设计所涉及的几何学问题,应用标架与半测地坐标方法证明了曲面成为可展面的基本定理,研究了可展面的分类及其性质,考虑到服装三维几何造型的需要,证明了组合式可展面各组成片相切连接条件的命题,作为构造可展面的理论依据,证明了单参数平面族的包络面必为可展面的命题,在此基础上发展出服装几何造型的"刮大白"方法以及相关的三种构造可展面的解析方法。3D→2D的变换是三维服装CAD的重要内容之一,其几何学实质是曲面的定长映射,文中总结了定长映射即可展面在平面上展开的基本准则,在这一准则的指导下,结合服装设计与相关领域的要求,讨论了可展面在平面上展开的解析方法与数字方法,上述内容确立了服装设计几何学的基本框架。

Under the guidance of the theories of sedimentation, paleontology, stratigraphy, reservoir geology and digenesis, synthetically applying the methods of the conjunction of spot-line-surface, macro-microscopic and field-indoor, there is a comprehensive study for the upper Permian series in stratum, rock, sedimentary facies and diagenesis, especial for the type and characteristics of sedimentary facies, in the paper.

本文主要是以沉积学、古生物学、地层学、储层地质学等相关理论为指导,运用点线面、野外与室内、宏观与微观相结合的方法,并借助普通显微镜、阴极发光显微镜等手段对川西地区北部上二叠统的地层、岩石、沉积相以及成岩作用进行了研究,尤其是对沉积相的类型及特征作了详细的划分与阐述。

The present paper uses the direct sequence spread spectrum technology, key to short-wave communication and direct sequence spread spectrum correspondence characteristic as well as union advantage, wide frequency code production, the direct sequence spread spectrum communications system technology and the principle, the wide frequency synchronization technology, the RAKE receive technology has conducted the research and the analysis.

本论文采用直接序列扩频技术,重点对短波通信与直接序列扩频通信的特点以及结合的优点,扩频码的产生,直接序列扩频通信系统的技术与原理,扩频同步技术,RAKE接收技术进行了研究与分析。

Since the dismutation of superoxide radicals by SOD is a reaction that is rate-limited by diffusion and enhanced by electrostatic guidance, all these structural features may be related to GP-MnSOD's high catalytic activity: first, Lys38 may increase the effective enzyme-substrate association rate by enhancing the electrostatic gradient at its substrate channel; second, an excess of acidic over basic residues makes the negative surface potential of GP-MnSOD more larger than those of other known MnSODs. This may enhance the reaction rate by reducing futile collisions of superoxide radicals with GP-MnSOD's surface.

因此,GP-MnSOD的上述结构特征可能与GP-MnSOD的较高酶活有关:首先,Lys38增加了底物通道口的正静电势梯度,从而可能促进了GP-MnSOD的活性中心与底物的有效结合速率;其次,GP-MnSOD表面覆盖的过量酸性残基使得它比其它MnSOD在底物通道以外的蛋白表面更多地被负静电势所覆盖,这可能有效地减少了超氧阴离子与GP-MnSOD表面的无效碰撞,从而提高了反应速率。

On this basis a design scheme of the database for SCADA based on the component object model is presented, in which the content and background of IEC 61970 standard is introduced first, then some different component model are assayed , then a design scheme of the database for SCADA based on the component object model is presented, the foreground application of SCADA is connected with the database by components.The new model have some advantages: system have disrelation with develop language ,the peculiarity of COM make the system fit in with different apply program developed with different language;(2) the system can be modified and upgraded easily by means of upgrading the component modules;(3) the system can be enlarged easily by means of adding the new component modules without quiet amendment in old system.

为此,本文介绍了一种基于组件对象模型的SCADA数据库系统设计方案,文中首先介绍了IEC61970标准的内容及产生背景,分析了几种不同的组件模型,在此基础上,提出了一种基于COM组件技术的SCADA数据库设计及访问模式,在此模式下根据SCADA数据库不同的功用划分了不同的组件模块,利用组件连接数据库与SCADA前台应用,基于组件技术的SCADA数据库设计有以下一些特点:(1)与语言无关性,COM的特性决定了此系统上可以应用不同语言开发的应用程序;(2)系统易修改及维护,用户可以通过更新组件模块的方式修改及维护系统;(3)系统易扩展新的功能,用户可以通过开发新的组件方式将新的应用与原系统结合,而不用对原系统做很大的修改。

DMD is a combination of geology science with computer science, mineral information processing technology and graphic expressing.

数字矿床是地质科学与计算机科学高度结合、矿床信息的处理与表征高度统一的新的处理矿床信息的思想,具有较强的理论与实践意义。

This text passes the writing background of divertimento and analysis of the works of"""""""" tour in winter"""""""" to romanticism composer Schubert, Propose that this structure is huge, and has all achieved the artistic characteristics of the divertimento of very high achievement in characterization and psychology portrayed: Expressing the deep thought with the tactics that suggest, development music and ideal of the literature poesy are combined ; The creative development piano accompanies on the functional function of art, the artistic conception of making every effort to portray the musical image and playing up the song from many aspects; The song is tuneful and smooth naturally, has folk song and succinct and simple; It is quiet and symmetrical that the whole divertimento has dramaticism but a magnum opus of a romanticism remains classicism throughout.

本文通过对十九世纪奥地利浪漫主义作曲家舒伯特《冬之旅》套曲之写作背景与作品分析的研究,总结出这部结构庞大、而且在人物塑造和心理刻画上都达到极高艺术造诣的套曲的艺术特色,即:用暗喻的手法表达作品深刻的思想内含,并在很大程度上完成了音乐与文学诗词之间的理想结合;创造性地发展了钢琴伴奏艺术的功能性作用,力求从多方面刻画音乐艺术形象和渲染歌曲的意境;转调频繁,特别是同名大小调转调运用巧妙;歌曲的旋律优美、自然、流畅,有民歌的简洁和朴素;全套曲具有戏剧性,是一部浪漫主义力作,但仍始终保持着古典主义的静谧与对称。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。