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In this paper,we present a kind of symmetric modified finite volume element method for nonlinear parabolic problems,and give the optimal order energy norm error estimates for full discrete schemes.

本文对一类非线性抛物型方程提出对称修正有限体积元方法，给出能量模最优阶误差估计，并证明了对称修正有限体积元方法的解与一般有限体积元方法的解之差是一个更高阶项。

Methods The cancer incidence data of the fixed cohort from the beginning of 1950 to the end of 1996 was collected. The estimates of relative risk were calculated by AMFIT in Epicure Hirosoft International Corp.

收集定群队列1950-1996年间恶性肿瘤发病资料，其相对危险计算采用Epicure（Hirosoft International Corp.1988-1992）中的AMFIT程序。

It is: sets the RFID label on the hanger, the card reader can get the information of the label and sends to the epigyny of the terminal unit of the station; when the hanger passes the reader of any working station; estimates the hanger whether or not enters the station to process manufacture after the epigyny receives the signal of the hanger, the programmable logic controller controls the pulling-in switch of the corresponding station according to the instruction from the epigyny.

该方法包括：在吊架上设有RFID标签，当吊架经过某个工作站进站口前的RFID读卡器时，读卡器会读到吊架标签上的信息，经由工作站终端设备发送给上位机；上位机接收到吊架检测信号后，判断此吊架是否进入工作站进行加工，可编程逻辑控制器根据上位机的指令控制相应工作站点的进站开关合上。

With the epistasis existed, MIM would obtain better estimates of QTL additive effects.

在有上位效应存在的情况下，MIM 对QTL 的加性效应的估计较准确。

The equilibrium phase diagram of Ti-Si-C ternary system and the estimates of the unknown thermodynamic data of carbides and silicates were used to calculate stabilized chemical potential and to draw the stabilized chemical potential diagram s of Ti-Si-C ternary system.

收集并计算了 Ti－Si－C三元系在 1200℃温度下各组元化合物的热力学数据，利用Ti－Si－C三元系在该温度下的平衡相图以及对碳化物未知热力学数据所做的估算，计算该三元系中各组元化学位并作出的相应的化学位稳定性相图。

Research methods:This paper analyzes and estimates the main technical standards of horizontal control based on error theory.

研究目的：通过理论研究，对无碴轨道施工平面控制测量的主要技术标准提出适宜的建议。

Our experimental results indicate that having good initial estimates for the dipole parameters is essential to ensure rapid convergence to the correct solution.

最后实验的结果我们可以指出，拥有好的电偶极起始参值估计法，确实能够提供快速收敛并且能够找到正确的位置。

With the widespread application and rapid development of the computer science and Internet technology, the expert estimates that the requirement of storage capability would be increased by the rate of 50%--100% every year;to lots of corporations, as a result of their work request, the data must be in online state everywhen. So, at the time of available data are extremely increased, how to protect the security, integrity and coherence of the data effectively and how to enhance the high availability in storage management software has become an important target.

跟着盘算机和互联网络技术的普及应用和飞速发铺，业界的剖析家估量，对存储容量的需求以后会以每年50%—100%的速度递增；对众多企业而言，因为其工作性质的请求，致使数据必需在每天24小时、每周7天、每年365天处于可使用状况，所以如何在数据呈现爆炸式增加的同时，更有效的维护数据的安全、完全和一致，更有效的提高管理体系的高可用性已成为各种存储管理软件追求的主要目的。

This is not a simple issue and it's complicated by the fact that China sits on the world's largest pile of excess reserves – more than $2.3 trillion by some estimates.

这不是一个简单的问题，被中国是世界上拥有最多的外汇储备的事实复杂化了-有人估计中国的外汇储备超过了2.3万亿美元。

Estimates place the device in the $199 to $249 price range here after carrier subsidies, which typically tie customers into a two-year contract in exchange for the discount.

估计，该装置在199美元至249美元的价格范围在这里承运人的补贴，通常配合客户到一份为期两年的合同，以换取折扣。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。