在改进

And, while we have not transmitted ANALOG versions of high definition television terrestrially, early testing done during HDTV development demonstrated a need to improve the management of synchronization in the new television SYSTEM .

早期在HDTV开发中完成的测试证明，在新的电视系统中需要改进同步信号的处理方式。

And, while we have not transmitted analog versions of highdefinition television terrestrially, early testing done during HDTVdevelopment demonstrated a need to improve the management ofsynchronization in the new television system.

早期在HDTV开发中完成的测试证明，在新的电视系统中需要改进同步信号的处理方式。

Countries in the second tier do not fully meet the requirements but are working to improve.

在第二梯队中的国家并不完全符合要求但在不断改进。

At first, this article introduces the background and main methods of DoS attacks, and discusses the advantages and disadvantages of some traditional methods for traceback.

在对节点采样标记算法分析的基础上，设计出本文自己的反向节点采样标记算法，改进后的算法在性能与效率上有显著提高。

The measuring precision of the rotational tribometer is upgraded from the millimeter level to the micrometer level compared with the linearly reciprocating friction test rig, which gives a more profund understanding of friction characteristics and is necessary for developing high precision frition models.

在摩擦预滑动阶段，GBM模型用一系列含库仑摩擦的弹簧振子模拟预滑动阶段的摩擦特性；在宏观滑动阶段，则采用了改进的Bouc-Wen模型和含变摩擦系数的扩展Stribeck曲线。

The breakthrough and the shortcoming of the classified search engine as well as the characteristics and the unacceptability of the network search tools based on traditional classification are discussed.

三。在网络信息资源分类组织的应用技术方面提出了一些新见解，即改进基于分类法的网络检索工具的技术要求、运用现代分类技术促进网络检索工具进一步完善、超文本技术在网络信息资源分类组织中的合理应用以及密切关注其它信息组织技术的研究进展。

This paper researches the improvement of the vector of unknown parameter α and the vector of random-effect parameter β, including GLSE and LSE in some conditions, discusses the relevant properties of parameter's estimation, and explains the thought of using its unbiased estimator replaced when the variance is unknown.

本文研究了未知参数向量a和随机系数β的参数估计的改进，包括在一定条件下的GLSE和LSE，并讨论了参数估计的有关性质及说明了在方差未知时，用其无偏估计代替的思想。

In the algorithm, at first a weighted and undirected graph is constructed among data points in a dataset according to the model, where each data point corresponds to a vertex in the graph, and is regarded as an agent who can move randomly in space.

在此算法中，数据集中的样本点根据改进的随机游动模型，生成有权无向图，其中每个样本点对应图的一个顶点，并且假设每个顶点为可以在空间中移动的Agent。

Total calculated girding number the middle block of North 1 area is 670,134 and node number is 713,416. More data can be calculated and this function is unexampled compared with other finite element softwares.

本文首次提出并在研究中应用改进的组合网格法，这一先进技术的应用使得在微机上实现大规模的分析计算成为可能，计算的北一区断东中块的网格总数达到670，134，节点数713，416，软件还可以计算更多。

The experimental results show that in answering document retrieval of Chinese question answering system, the performance of expanding the query based on related words for specific question types is much better than in unexpanded query.

实验结果说明在汉语问答系统答案文本检索中，按照问题类别关联词进行查询扩展比未进行查询扩展在性能上有很大的改进。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。