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Although theoretically available for a limited group has been completely resolved structure, but in certain types of college textbooks has not within abelian group table.

虽然从理论上已经完全解决了有限可换群结构,但在各类本科教材中却未见一定范围内可换群表,本文拟通过计算给出200阶以内所有可换群的类型列表。

Presently, people have done some research on dynamic objects visualization using techniques such as simulation and visualization in scientific computing, but there are not many researches on integrating dynamic objects such as running cars, aflutter flags, flying butterflies into 3D GIS.

目前人们利用仿真、科学计算可视化等技术对动态目标的可视化进行了一定的研究,而如何利用现有的可视化技术将现实世界中的动态目标如行驶的汽车、飘动的旗子、飞舞的蝴蝶等融入到三维GIS中还没有作深入的探讨。

The thermodynamic parameters in the separation of enantiomers of amino acid derivatives and diastereomers of cinchona alkaloids were calculated and the dissociation constants of cinchonine and cinchonidine on the cinchonine imprinted monolithic disk were determined by frontal analysis.

计算了氨基酸衍生物对映体以及辛可纳非对映异构体分离过程的热力学参数并利用前沿色谱法测定了辛可宁和辛可尼丁在盘状分子印迹整体柱上的离解平衡常数。

In order to forecast the occurrence year of a landing typhoon in Zhejiang, a commensurable formula of three elements was used in arrangement and calculation.

为了对浙江登陆台风的发生年份进行预测,采用三元可公度式进行排列计算,可以得到其后几年内的可公度式,并根据可公度式频数的峰值进行判断。

The main environment geological question is: The earth"s crust where the faultage and earthquake are active is unstable; collapse , landslide, mud-rock flow and soil erosion ; The underground karst subsides, seepage question; Basic rock expand, expend and compress soil body, the salt deposit corrode out of shape and groundwater"s corrodent harm; The soft soil question of basin; The soft rock body, cracked rock and the weathering rock are relatively poor stability; High and cold regional highways and railways" frozen soils freeze and melt calamity problem; The around rock of tunnel are unstable because of the coal seam gas, spring water, underground developed area; Project cutting slopes, constructed abandon soil and reservoir, lake"s ecology geological environmental protection issue; Thedangerous shoal of the channel % submerged reef question; The problem of rebuilding channel project and dock etc.; And the problem of unstable ground and groundwater corrosivity during building airport; At the same time, with the international big pathways" implementation and completions of constructions, adjusting the cities and counties" constructions , the crowd occupy changing , the cultivated land distribute changing and the adjustments of structure, will cause local environmental geological issues outstanding; According to multiple statistical analysis , value calculate and integrated appraise result, in the northwest and southwest of Yunnan, the traffic relatively low density, traffic engineering is relatively weak impact on environment, It is the area where a environme

主要的环境地质问题是:活动性断裂、地震带的地壳不稳定;崩塌、滑坡、泥石流及水土流失;地下岩溶塌陷、渗漏问题;基础岩体膨胀、胀缩土体、含盐层侵蚀变形和地下水的腐蚀危害;盆地软土问题;软弱岩体、碎裂、风化岩体稳定性较差;高寒地带公路、铁路建设的冻土冻融灾害问题;煤层瓦斯、涌水、地下采空区等隧道围岩不稳定问题;工程切坡、施工弃土及水库、湖泊生态地质环境保护问题;航道险滩、暗礁问题;渠化工程、码头等库岸再造问题;以及机场建设中的不稳定地基及地下水腐蚀性问题;同时,随着大通道建设的实施和完成,城镇建设的调整、人群居落的变化和耕地分布及结构的调整组合,都可能造成局部环境地质问题的突出等等。经多元统计分析数值计算、综合评价结果,滇西北、滇西南地区交通密度较低,交通工程对环境的影响程度较弱,是环境地质状况好的区域;有主要高原湖泊分布区的,包括昆明、个旧、文山的滇东南区域,环境地质状况较好;大姚、楚雄、篙明及会泽、昭通一镇雄的区域,即滇中北部中生界红层和滇东北岩溶区,环境地质状况中等;而包括保山、德宏、大理、临沧的滇西地区及景东一墨江以东、双柏一石屏一河口以西及东川一寻甸一曲靖地段的滇中一滇东地区,环境地质状况较差。云南国际大通道建设涉及全省区域,如何利用地质环境、实现可持续发展,就必须依赖于国际大通道建设与地质环境之间良性关系的建立。应本着对区域地质环境客观存在的科学认识原则、建设过程中环境效益优先的可持续发展原则、法制性原则、对大通道建设中环境地质的因地制宜及其可防治性原则。并且从组织管理、不同类型大通道、不同环境地质问题类型等方面,提出了对策措施。最后,提出了建立国际大通道建设与环境地质良性关系的宏观建议。

User-friendly control system;Labels automatically peel off wrinkle-free;Automatic label feed and peel offwhen label is removed;Rows of small labels can be peeled off at one time;Can be used multi-person,increasing production efficiency;suiable for interval and continuous whole roll label types;Adjustable length of label to be peeled off;Auto counter from 0 to 999999 assists in tracking production; Machine also could equipped with color ribbon printer according to clients,which is same as our HP-102II self-adhesive

电子控制系统,操作简单;全自动剥离,标签平整,不起皱纹;标签取出后自动送出第二张;小标签可数排并列,一次剥离;一机可多人使用,效率倍增;间隔或者连续之整卷式标签或条码均可适用;标签剥离长度可任意调整;本机有0-999999自动记数功能,方便计算产量;可根据客户需要,在HP-102I型上添加色带打码装置,即HP-102II型不干胶自动剥离机。

In this thesis, the methods of surrounding rock masses stability classification on the basis of the geological documentation of muck and the boring parameters of TBM are approached, especially as follows:①The geological documentation of muck and the boring parameters of TBM in the Yellow River Diversion Project.of shanxi province is summarized systematically;②Based on the geological documentation of muck and the boring parameters of TBM, that whether the common methods of surrounding rock masses stability (the methods of regular factor classification) classification are feasible, is carried on the discussion;③According to the corresponding relation of muck and the boring parameters of TBM and the surrounding rock masses stability type, the extension assessment method of tunnel surrounding rock masses stability classification is set up, also the corresponding fortran calculation procedure worked out, and not only rational result in conformity with the reality can be obtained, but also the stability situation of surrounding rock masses in front of the working range can be predicted according to the change of the dependent value in the application instance of Yellow River Diversion Project;④Combining with the application instance of Yellow River Diversion Project, extension assessment method in the application of surrounding rock masses stability classification is compared and verificated in detail by applying fuzzy synthesis method by forefathers, and a certain degree discussion and summary about the application achievement of surrounding rock masses stability classification, which is assessed by extension assessment method and fuzzy synthesis method, are carried on.

本文基于渣料和TBM掘进参数的地质编录提供的地质信息进行了围岩稳定分类方法的探讨,重点进行:①对引黄工程中渣料和TBM掘进参数的地质编录的系统整理;②基于渣料和TBM掘进参数的地质编录获得的地质信息,对常用围岩稳定分类方法是否能够进行围岩稳定分类进行了探讨;③根据渣料和TBM掘进参数与围岩稳定类型的对应关系,应用可拓理论,建立了隧洞围岩稳定分类的可拓评价方法,还编制了相应的fortran计算程序,并在引黄工程的应用实例中不仅取得了与客观实际相符的合理结果,而且根据其关联度值的变化能够预测临近掌子面前方围岩的稳定情况;④结合引黄工程的应用实例运用模糊综合评判方法对可拓评判方法在围岩稳定分类中的应用进行了详细的验证、比较,并对前人在运用可拓学和模糊数学进行岩体稳定评判的应用成果方面,进行了一定的探讨、总结。

Several experimental applications have been developed finally. In this paper, there areinnovations from the following four aspects:1. Definition and research methods of current distributed system and distributedinteractive simulation system follow those of traditional parallel computing system.While this paper points out it is one-sided to measure the scalability just from thenumber of processors and performance of a system, because the resources of distributed systems are heterogeneous and they can be used in diverse applications. Inthis paper, scalability of distributed interactive simulation platform is defined as theability of scaling (including scale-up and scale-down) in functionality and performanceof systems which is run on the platform when number of processors and otherhardware resources such as network change, i.e. when problem size is scaled up and system resources is increased, the performanceremains fixed and it is easy to expand the functions of simulationapplications.

本文的创新工作主要体现在下述4个方面:1、现有的分布式系统和分布式交互仿真系统可扩性的定义和研究方法都沿用了传统的并行计算系统可扩性的定义和研究方法,本文指出分布式系统的系统资源异构多样、应用种类丰富多样,只从传统方法采用的处理机资源和性能角度衡量一个系统是否可扩是有一定的片面性,提出了分布式交互仿真平台可扩性的定义是在处理机和网络等系统资源变化时,运行在平台上的分布式交互仿真系统在性能和功能方面发生扩缩的能力,即当问题规模扩大时,增加系统资源,系统能获得指定的性能及在功能方面能方便进行扩充。

The results are as follows: The present proportion of ledum palustre in the forest area is 74863 hectare; the leaves which can be picked is 1125Kg per hectare and 841796 tons per year; the ledum palustre oil which can be extracted is 4208.98 tons per year due to the lowest oil producing rate (0.5%).

其结果如下:林区现有杜香林面积 74863 公顷;根据每年再生可利用蓄积测算,每公顷可采杜香叶径 1125 公斤,每年可采杜香叶径 841796 吨;以最低出油率 0.5%计算,每年可提炼杜香油 4208.98%吨。

The DTM for automatic-design of thruway was put forward by Prof. Miller in 1956. Since then , the DEM is used for design of various circuit diagram, and for account of area, cubage, gradient of various project, and for estimating visibility from point to point; for rendering contour, grade-graph, aspect-graph, solid model; for making orthographic image and repair map in the Topography; for assistant data to classify in the Remote Sensing; as basic data in the GIS, for analysis and layout actuality of using soil, for disaster prediction; for navigation, guiding missile in the military affairs.

美国麻省理工学院Miller教授为了高速公路的自动设计于1956年提出了数字地面模型的概念后,DEM被用于各种线路的设计及各种工程的面积、体积、坡度的计算,任意两点间可视性判断及绘制任意断面图;在测绘中被用于绘制等高线、坡度坡向图、立体透视图,制作正射影像图与地图的修测;在遥感中可作为分类的辅助数据;它是地理信息系统的基础数据,可用于土地利用现状的分析、合理规划及洪水险情预报等;在军事上可用于导航及导弹制导;在工业上可利用数字表面模型DSM或数字物体模型绘制出表面结构复杂的物体的形状[2]。

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But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。