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The main problems in screen calibration and the existing solutions are introduced first.Then the screen calibration process and geometry calibration methods are listed.After that,evaluation criterions for screen calibration are discussed,and a generalized color model for projectors color calibration and a visual seamlessness algorithm are presented in detail.

首先介绍多投影显示墙画面校正中存在的主要问题和现有的解决方法；在此基础上，给出了多投影显示墙的画面校正流程和几何校正方法；然后讨论了多投影显示墙画面校正结果的评价标准，提出了投影仪的广义颜色模型和基于搜索技术的视觉无缝方法。

As an ordinary citizen, all you need to do is to pay the tiniest attention to your daily manners: a little more respect, some self restraint, or a simple smile, and then you can also be called volunteer!

作为普通市民，哪怕只是在日常生活中多一些尊重、多一些自律、多一些微笑，这都可以算是一种志愿服务。

Down could face more policy support, but will also face up to sell more pressure.

向下可能面临更多的政策支持，但也将面临最多卖出更多的压力。

The educational technology has the very intense practical orientation, but because this practical orientation is too powerful, it causes the researchers of educational technology can be unable to stop to think some basic theory questions, and be far away from asking educational technology some ultimate questions about educational technology. So it has caused that afer semicentennial developing educational technology still exit some questions such as confusing, the reality helpless, deficient theory, although it has obtained many encouraging performance, but it is unsuitable that educational technology is the commanding point of education reform and the breach status. Facing these conditions, educational technology needs carry on reviewing and looking up in historical and reality multiple field, needs integrate and conclude for obtained studying results, needs reflect on own level, and need to have the big breakthrough in the discipline elementary theory construction.

教育技术具有非常强的实践价值取向，但这种实践取向的过于强大往往使得教育技术的研究者们无法停下来思考本领域一些基本的理论问题，因此直接导致了教育技术学在经历了半个多世纪的学科建设历程之后，尽管取得了诸多可喜的成绩，但是依旧存在理论与实践研究的诸多问题，这对于面临新技术的发展和世界范围的教育改革浪潮而给予的教育技术作为教育改革的制高点和突破口的地位是极不相称的，教育技术学迫切需要在历史与现实的多重视野中进行回顾与前瞻，对已经获得研究成果进行综合和归纳，需要对学科自身进行深层次反思。

More than 700 employees, of which more than 70 senior engineers, more than 140 engineers.

现有职工700多人，其中高级工程师70多人，工程师140多人。

Results: MR demonstrated capsule wall and papillary solid lesions in one case with cystic and solid lesions of hepatobiliary cystadenoma. Poly cystic form tan if different sine in sew case, capsule wall and septation was thick, part of capsule wall was obviously thickened and nodes form, intrahepatic bile duct was dilated, large poly-antrum cystic keen form structure in one case, capsule wall and septation were smooth, part of capsule wall was uniformly thicken, capsule wall, septation, mural nodus form and solid lesions in three cases wee all slightly hyperintense on T2WI and slightly hypointense on T1WI. Part of cyst fluid was hypointense on T2WI the diameter if tumor ranged from 3.4cm to 13.5cm. Part of capsule wall, septation, solid lesions and mural nodus west obviously enhanced in arterial phase in three cases, the extent of enhancement showed a little degrade in port vein phase, balance phase and delay phase, but dense to liver parenchyma at synchronization.

结果：3例肝内胆管囊腺瘤中1例呈囊实性结构，可见囊壁及乳头状实性肿块；1例为多个大小不等的多房囊状结构，囊壁及分隔光滑，囊壁局部明显增厚，有壁结节，周围见轻度的肝内胆管扩张；1例为巨大的多房囊状结构，囊壁及分隔光滑，局部均匀增厚；3例中的囊壁、分隔、壁结节及实性部分均呈T2WI稍高信号、T1WI稍低信号，囊内液性部分均呈T2WI高信号、T1WI低信号；肿瘤瘤体大小径线范围3.4~13.5cm.3例肝内胆管囊腺瘤中囊壁、分隔、实性肿块和壁结节动脉期均明显强化，门脉期、平衡期及延迟期强化程度略减低，强化程度均高于同期肝实质。

In order to evaluate the potential of this immunodominant peptide antigen in serodiagnosis of TB, we have undertaken cloning and expression of a large number of esat-6p1 genes in Escherichia coli and purification products.

本实验研究目的是通过构建结核菌ESAT-6蛋白免疫优势段P1的重组多表达载体，在大肠杆菌 BL21（DE3）中进行诱导表达，并对表达产物进行纯化和复性，以获得大量ESAT-6P1抗原，同时对重组多免疫反应性进行鉴定评价，为探索重组多在结核病血清学诊断的应用奠定前期实验基础。

The paper introduces the system structures of the real- view in ship-handling simulation system and presents the requirements and completion of multi-channel synchronization.

介绍船舶操纵训练系统视景的体系结构，提出视景多通道同步的要求及其技术实现的方法，采用多线程结构及推算定位等技术实现多通道同步，使通道帧数差在2帧以内，各通道产生的画面达到同一时刻同一视点产生的效果

The RAPD was used to study the genetic diversity of 19 KinXin series potato cultivars. The result showed that 52 RAPD bands were amplified using 7 primer, among them 43 bands were polymorphic, and 4~9 bands were amplified in each lane. The RAPD analysis indicated that the genetic distance of 19 potato cultivars was between 0.17~0.72, average value was 0.39. When all of the polymorphic bands were analysed by cluster analysis, 19 potato cultivars were classified into 3 groups. The analysis showed that there existed close sibship among the majority of potato cultivars, and the genetic distance between the minority cultivars and the others is longer, which indicate that the genetic basis of KeXin series potato cultivars is wide.

利用RAPD标记技术对19份克新系列马铃薯品种进行了遗传多样性分析，分别提取19份马铃薯品种的DNA，进行随机引物多态性扩增，从1000条随机引物中初步筛选出7条有多态性的引物进行详细研究，每条RAPD引物扩增出4~9条带，共获得52条带，其中多态性条带为43条；19份马铃薯品种的遗传距离介于0.17~0.72之间，平均值为0.39，平均遗传距离介于0.31~0.51之间；聚类分析结果在GS=0.53处可将克新系列马铃薯品种划分为三类，聚类结果与系谱分析基本相符，同时也说明克新系列马铃薯的遗传基础有所拓宽。

Signori, who reached the 1994 World Cup final alongside Donadoni, has joined the media bandwagon and criticised his old Nazionale team mate.

意大利媒体此刻一致将炮口对准了多纳多尼，其中，西格诺里，这位参加过94年世界杯，与老多并肩作战的球员，也站在了媒体一边，批评了他昔日的队友。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。