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Based on the formula derived from the concept of phase margin, a new optimization tuning method of PID parameters was proposed. It found out the best value of K and T、T by using twice linear search, respectively. The formula derived in this paper are consistent with those in CHEN's paper where they are derived based on geometric graph, while the former are easy to comprehend.

提出了一种PID参数最优整定方法，两次采用线搜索分别整定出K和T、T根据相位裕度的概念推导出的参数整定公式与基於几何图形推导出的参数整定公式一致，但更容易理解。

Based on information-theory, a lower bound on the size of the detector set is derived. Detector Generating algorithm is described. The performance of Artificial Immune Intrusion Detection System is better than the normal intrusion detection system based on knowledge engineering.

免疫原理在入侵检测领域的应用是一个刚刚兴起的研究，它的目的是使检测系统具有分布性、多样性、自适应性、自动应答和自我修复的特点，具有检测异常现象、利用不完备信息进行检测的能力，这是原有系统达不到的。

A search engine selects one or more search hits from among a plurality of hits, wherein a hit is a reference to a page or a site, based on a user interest, comprising an input module for accepting a query from a user, the query representing an interest of the user; a tracking module for tracking the user's navigation through the plurality of pages, including at least a destination purchase page, the destination purchase page being a page from which the user makes a purchase; a sales module which records associations between purchases and queries where the associations are provided, at least in part by an output of the tracking module; and a search module, which takes as its inputs at least a query and sales associations of that query provided by the sales module, and which outputs one or more search hits based on at least the query and the sales associations of that query.

一搜索引擎从一一击的多数状态中选择一或更多搜索一击，在哪方面一一击是一参考一页的或者一地点把代表一用户的利益问题建立在一用户权益的基础上因为承认一从一个用户问题包括一投入模数；一因为跟踪用户的航行通过页的多数状态，目的地购买页，包含至少一目的地购买页，是一从其用户买东西的页跟踪模数；一记录在购买和问题之间协会其协会部分地至少被一输出提供的销售额模数的跟踪模数；和一把至少那经过销售额模数提供问题的一问题和销售额协会视为它的投入，和哪一个使出，把一或更多搜索一击建立在至少那问题的问题和销售额协会的基础上的搜索模数。

To improve its detectability, the object-based watermarking algorithm is modified with the content-based feedback strategy.

4为了提高面向对象的自同步水印算法的检测率，利用基于内容的反馈调制算法加以改进。

In addition, the transition from statistical optimization of simulated annealing to deterministic optimization of simplex method is also taken to shorten run time. Secondly, two methods are used to automatically synthesize cell-level analog circuits, which include equation-based method and simulation-based method.

具体来讲，采用对解空间进行划分、并多区间优化的方法来解决多维下降单纯形算法的全局优化问题；采用求解好的迭代起始点、并由"统计优化"向"确定性优化"过渡的方法来加速模拟退火法的收敛速度。

Then introduces phase-based WSL model, improve the phase features. And detrude more robust multi-scale feature based on phase. Latter build up a new WSL-like model.

接着介绍了WSL相位模型，由此引出相位模型的改进型，并在改进相位特征的基础上推导出更加鲁棒的多尺度特征，运用与WSL思想类似的方法建立一个新的跟踪模型。

The concept of Web-based management is general, including system management, network management, network element management and device management, the topic of this paper is web-based device management.

基于Web的管理概念包括系统管理、网络管理、网元管理、设备管理等，本文主要讨论基于Web的路由器管理技术。

Cu6Zr5, the basic cluster of the primary devitrification phase of Cu-based amorphous alloys, is selected as cluster model based the on structure heredity existing between amorphous alloys and primary devitrification phases.

根据非晶与其晶化相存在结构遗传关系，以Cu-Zr基非晶晶化相Cu10Zr7中的Cu6Zr5阿基米德反棱柱为团簇模型，利用离散变分方法从电子层次研究了Al元素对Cu基非晶合金团簇稳定性的影响。

The purpose of this article is to describe the planning, development, and implementation of a Web-based education program for clinical diagnostic biochemistry of liver disease which is a secondary project from "Web-based education program in new century "of ministry of education. We developed this on-line setting education programs to provide a more convenient and more effective service to the teachers and the students.

本文介绍了教育部的"新世纪网络课程建设工程"的项目之一《临床生物化学》—肝胆疾病的生物化学与实验室诊断网络教学课件的开发及其制作流程，以便为师生提供一个方便、高效的网上教学与学习方式。

A new sequential step diagonal measurement method has been proposed based on the conventional diagonal measurement. In this method, the error in three axis directions can be divided 9 synthesis errors and they can be identified based on the values measured along four body diagonals.

通过对三个坐标轴方向的误差进行矢量分解，在现有的体对角线方法的基础上，提出了一种改进的分步体对角线测量方法，这种方法通过分步测量机床工作空间的四条体对角线可以快速获得分解后得到的9项位置误差。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样