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As an important component among information acquisition methods, the requirement for high quality auto-summarization system also becomes more urgency. To fulfill this requirement, an adapted Dotplot methods based on word sense quantization model is firstly provided to address the problem of subtopic segmentation. Then a multi-knowledge-sources-integrating model is constructed, which combines the results of rhetorical structure analyse, text content structure analyse and subtopic segmentation together and provides clues for abstract sentences extracting.

第四，互联网的普及增加了人们对信息获取速度、准确率的要求，也推动了人们对自动文摘系统的需求，为了进一步改进现有文摘技术，本文首先研究了基于语义量化模型的改进Dotplot隐式章节划分算法，然后通过加权有向图来构造了一个多知识源融合模型，模型能够融合文本修辞结构分析、内容层次结构分析以及隐式章节划分等多种知识源的分析结果，并以此为基础建立文摘语句的抽取算法。

This paper attempts to find a lower-order state space symmetric model whose model reduction cost differs from the optimal model reduction cost by a prescribed precision.

该文试图寻找一个低阶隐定连续线对称性时不变系统，其与给定的高阶隐定连续线对称性时不变系统的L2 -范数误差可与最优误差值充分接近。

This paper deals with the problem of finding a lower-order linear continuous time-invariant stable state space symmetric system to approximate a given higher-order linear continuous time-invariant stable state space symmetric system so that the L_2 norm of the model mismatch is minimized.

研究用一个低价隐定连续线对称性时不变系统去近似一个高阶隐定连续线对称性时不变系统以使它们之间的L2 -范数误差最小化。

This paper presented a method for tracing the intersections of two implicit surfaces.the most obvious advantage of this method is: when tracing the intersections, it could quickly get the next tracing point by intersecting this square plane with the two implicit surfaces.

该方法最主要的优点是：在跟踪隐式曲面的交线时，在前一个跟踪交点已经求得的情况下，利用正方形与两个隐式曲面的交点，即可快速有效地求出下一个跟踪点，而不用涉及迭代收敛的判断。

The experiments show that the remelting hardening layer consists of melting zone, quenching zone and heat affected zone. From surface to internal, the respective microstructures are extremely small hidden-crystal martensite and a few residual austenites, hidden-crystal martensite and carbides and residual austerite, martensite and backfire troostite and ferrite.

实验表明：熔凝硬化层由熔化区、相变硬化区和热影响区组成；由表及里组织分别为极细隐晶马氏体＋少量残余奥氏体、隐晶马氏体＋碳化物＋残余奥氏体、马氏体+回火屈氏体+铁素体。

It mainly characterizes in automation, generation, unawareness and so on.

在过去的二十年间，内隐学习问题吸引了众多的理论研究，但在教育等应用领域内隐学习的研究尚处于起步阶段。

I have not spoken in secret, in a dark place of the earth; I have not said," even in the secret of my unsearchable decree,"Seek ye me in vain.

我没有在隐密黑暗之地说话，即使在我测不著的命令之隐密中，我没有说，你寻求我是徒然的。

A linear camera calibration method with vanishing point and the invariance of cross-ratio is proposed.

在已知一个消隐点的情况下，利用交比不变性及消隐点的知识对摄像机进行标定。

You have some damaged enemy wraith shooting you and you go mad and hit R to repair the wraith.

一个对方的隐飞在打你，你突然大怒犯晕，对着隐飞点了R。。。

Focuses on the characteristic of YASS' random embedding, this pap er studies the locaton of embedding blocks using the characteristic of YASS' random embedding, and finds out that the YASS' embedding processing will have an impact on JPEG images' statistical property.

本文针对YASS隐密术随机嵌入的特点，研究了YASS嵌入数据的位置分布。同时，分析了信息嵌入过程对JPEG图像数据统计特性的影响，提取了多个有效的特征，结合秘密数据的分布概率，设计出一种有效的专用型隐密分析算法。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。