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Christopher Strachey published report of a learning, the name is " the time in computer of large high speed is shared "(Time Sharing In Large Fast Computers), he put forward in article fictitious the basic idea that turn, this article also is considered as to be opposite fictitious discuss the earliest what change a technology.

搞文字的人都喜欢玩文字游戏，相信肯定已经有人意识到，今年距"虚拟化"被提出整整50年了。1959年，Christopher Strachey发表了一篇学术报告，名为《大型高速计算机中的时间共享》(Time Sharing in Large Fast Computers)，他在文中提出了虚拟化的基本概念，这篇文章也被认为是对虚拟化技术的最早论述。

BACKGROUND: The precartilaginous stem cells are limited regarding in vitro proliferative capacity, but the immortalized cell lines can provide a large number of stable immortalized cells, and simian virus 40 large T antigen gene (SV40Tag) is one of gene fragments which are commonly used and effective in vitro immortalized cells.

摘要背景：前软骨干细胞体外培养增殖能力有限，但永生化细胞株可以提供大量性状稳定的永生化细胞，并且猿肾病毒40大T抗原基因(simian virus 40 large tumor antigen，SV40Tag)是较为常用且有效的体外永生化细胞的基因片段之一。

In the practice it plays an important part in insect surveys, the choice of grain method, the improvement of grain storage level, the extension of storage time and the delay of grain quality deterioration. 1 Research on stored product insects in large warehouse 1.1 Community composition and structure analysis of stored product insects in large warehouse By means of GJ89 type probe trap investigation of stored grain insects and analysis of community composition and structure of large warehouse were carried out in Chongqing Beibei State Grain Reserve Depot. The results showed that there were main Lipocelis botrychophilus、 Cryptolestes ferrugineus、 Tyrophagus putrescentiae and Sitophilus zeamais etc in large warehouse

高大平房仓储粮昆虫生态学研究 1.1 高大平房仓散装储粮昆虫群落组成及结构分析使用GJ89型粮虫陷阱检测器对中央储备粮重庆北碚直属库高大平房仓储粮昆虫进行系统调查，并对其群落组成及结构进行了分析，结果表明高大平房仓储粮昆虫主要有书虱Lipocelis botrychophilus、锈赤扁谷盗Cryptolestes ferrugineus、腐食酪螨Tyrophagus putrescentiae和玉米象Sitophilus zeamais等4类，其中书虱为绝对优势种群；在粮堆垂直方向0～50cm 4类昆虫发生最多，100～150cm发生最少；4类昆虫在粮面0～50cm丰富度、优势度、多样性及均匀度4项指标均高于50～100cm和100～150cm，水平方向6个区域各项指标差异不大。

Habitat in the urban landscape and the environment improved significantly, while in some cities to build high-priced green waste problem has become increasingly obvious: in some cities to pursue the so-called grade and hankered for large foreign and engage in large squares, large lawn, resulting in thousands of the city side; Some cities have a 3500 introduction ancient trees, the result is basically die off …… These practices not only waste a lot of valuable financial resources, wind fueled extravagance and waste, but also led to the original ecology of local deforestation.

人居署在城市景观和环境明显改善，而在一些城市建设高价的绿色废物问题已变得日益明显：在一些城市追求所谓的等级和热衷于为大型外国和从事，大广场，大草坪，在城市一边，导致数千名；一些城市，拥有3500介绍古树，结果基本上都死光了……这些做法，不仅浪费了大量宝贵的财政资源，风能，燃料奢侈浪费，而且还导致了当地原生态的森林砍伐。

DATA SOURCES: Articles on carcinoma of large intestine published between January 1980 and December 2003 were retrieved in NCBI Entrez PubMed with the key words of "carcinoma of large intestine, epidemiology and prevention" and the language restricted to English.

资料来源：应用计算机检索NCBI Entrez PubMed 1980-01/2003-12相关大肠癌流行病的文章，检索词为&large intestine cancer，epidemiology and prevention&，限定文章语言种类为English。

"915 " During, add deep water berth newly to exceed 100, add goods newly to take in and send out in large quantities ability exceeds 200 million tons, to the end of 2010, degree of lip-rounding of harbour of Fujian Province edge takes in and send out in large quantities into goods ability is controlled 300 million tons, among them container takes in and send out in large quantities ability box of 12 million mark.

&十一五&期间，新增深水泊位超过100个，新增货物吞吐能力超过2亿吨，到2010年底，福建省沿海港口形成货物吞吐能力3亿吨左右，其中集装箱吞吐能力1200万标箱。

The main contents and results of research in this paper are shown as following: It is important to built the motion model of a virtual system. As the virtual object is the submarine in this simulation system, we studied on the motion model of the submarine and gave the submarine six DOF space motion equation MultiGen-Paradigm corporation's modeling software named Creator is used, the modeling of all entities and 3D terrain in virtual ocean environment is accomplished. Then introduced the theory of Large Area Database Management and realized the Large area database management; In the course of 3D scene simulation, Vega is utilized to develop the project. The building of 3D scene is done, which includes the simulation of static and dynamic ocean surface, realization of ocean wave, simulation of bow wave and stern wake, utilization of lighting and material, simulation of cloud and fog, kinematics' modeling of submarine etc.

论文的主要研究工作和成果包括以下一些内容：建立虚拟对象的运动模型是构造一个虚拟系统的关键所在，建立的运动模型准确与否直接关系仿真对象模拟的逼真度，由于本仿真系统的虚拟对象是潜艇，所以对潜艇的运动模型进行了研究，给出潜艇空间六自由度运动方程；利用MultiGen-Paradigm公司的Creator建模软件完成虚拟海洋环境中个实体模型建模和三维海底地形模型的建模；然后介绍了大地形数据库管理(LADBM，Large Area Database Management)技术的基本原理，实现大地形数据库管理；在三维场景仿真中，使用Vega驱动软件进行软件开发，完成了三维场景空间的建立，主要包括动态和静态海洋的仿真、海浪、船首波浪和传尾尾迹的实现，灯光和材质的使用，云和雾的模拟等。

Chirp scaling algorithm is considered more efficient and widely applicable when the bistatic SAR system is in side-look or small squint angle mode,but in large squint angle case,the errors caused by Taylor expansion are so large that the algorithm could lose its precision.In such a case,an equivalent mono-static SAR range mode which has fewer errors than Taylor expansion with large squint angle is proposed to substitute the range history of bistatic SAR.Then bistatic SAR images with large squint angles are gotten by common Nonlinear CS algorithm.The effectivity of the method is verified by Matlab simulation.

在正侧视或小斜视情况下，CS算法具有较好的聚焦性能和广泛的适用性，但在斜视角较大的情况下，该算法将散焦而不能成像，因而提出了用等效的单基地距离模型来代替双基地距离历史的方法，解决了大斜视角情况下距离模型二阶近似误差较大的问题，并结合单基地非线性CS算法，实现了在大斜视角情况下的基于GPS反射信号的双基地SAR高精度成像，最后通过Matlab仿真进行了验证。

a system of along-track mode sar based on the gps is established.by seeing the gps signal as a chirp,chirp scaling algorithm of this mode with large squint angle is investigated.chirp scaling algorithm is considered more efficient and widely applicable when the bistatic sar system is in side-look or small squint angle mode,but in large squint angle case,the errors caused by taylor expansion are so large that the algorithm could lose its precision.in such a case,an equivalent mono-static sar range mode which has fewer errors than taylor expansion with large squint angle is proposed to substitute the range history of bistatic sar.then bistatic sar images with large squint angles are gotten by common nonlinear cs algorithm.the effectivity of the method is verified by matlab simulation.

摘 要：建立了基于gps的顺轨sar系统模型，通过将gps信号等效为chirp信号，研究了在该模式下的大斜视角chirp scaling算法。在正侧视或小斜视情况下，cs算法具有较好的聚焦性能和广泛的适用性，但在斜视角较大的情况下，该算法将散焦而不能成像，因而提出了用等效的单基地距离模型来代替双基地距离历史的方法，解决了大斜视角情况下距离模型二阶近似误差较大的问题，并结合单基地非线性cs算法，实现了在大斜视角情况下的基于gps反射信号的双基地sar高精度成像，最后通过matlab仿真进行了验证。

Large shares for the merging parties or relatively large cross-price elasticities between them tend to result in large price effects.

高份额的兼并双方，或者相对高交叉价格弹性的双方，倾向于产生高的价格效应。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了