查询词典 make an abstract

Abstract－Online group negotiation mode based on credit brings in credit mechanism, provides an safe and convenient trading platform to both vendor and purchaser, and it is an tri-win mode: Consumers can get goods and better service at a favorable price. Network agency can run without stock, be free of the risk of sale and physical distribution, return and exchange of commodities are taken in charge by suppliers, as a result, network agencies reduce the operation risk and cost, and make agency expense. Suppliers can sell a great deal of commodities, reduce operation cost and inventory risk, and get enough profit and many information of consumers with this mode in such a competitive meager profit times.

文中提出的基于信用的网上集体议价模式引入了信用机制，为买卖双方提供了安全便捷的交易平台，是一个三赢的模式：消费者能以优惠的价格购得商品和更好的服务；网络中介没有库存积压，无需承担销售风险，物流，退货、换货均由厂家负责，降低了自己的经营风险和成本，赚取了中介费用；厂商能在竞争激烈的微利时代，利用此通路出售大量商品，减少作业成本和库存风险，获得足够的利润，此外还可以获得大量的消费者信息。

It mainly displays and turns the abstract quantitative relation into the appropriate geometric figure , find connection that exist under quantity from ocular characteristic of figure, so as to take , embarrass easy abbreviating , it melts latently to be an apparent purpose, make the problem be solved simple and directly .

它主要表现在把抽象的数量关系，转化为适当的几何图形，从图形的直观特征发现数量之间存在的联系，以达到化难为易、化繁为简、化隐为显的目的，使问题简捷地得以解决。

One, the issue that makes an example break through difficulty to hit an example to be able to make complex issue simplification, abstruse opportunely is easy to read and understand change, abstract problem visualize.

一、巧打比方突破难点打比方可以使复杂的新问题简单化、深奥的新问题浅显化、抽象的新问题形象化。

The number shape is hit by mentality in common use combining with being that the mathematics solves problems , shape is can make some abstract mathematics problems perception-rization , pictorialize , vivid-rization in the thought being tied in wedlock , is able to change an abstratc thinking into the thinking in images , is helpful to the nature grasping the mathematics problem.

数形结合是数学解题中常用的思想方法，数形结合的思想可以使某些抽象的数学问题直观化、形象化、生动化，能够变抽象思维为形象思维，有助于把握数学问题的本质。

This thesis chooses Grade 7, Grade 1 of high school and junior as subjects, it proves that the dual-processing theory can make an effective interpretation of individual and age differences in the perspectives of content effect, logic effect, time pressure, self-confidence assessing, logic training and individual cognitive difference according to the different characteristics of the two systems. The research concludes:(1) The subjects in the three grades are all affected by content. The accuracy of the four inferent types about abstract and concrete material increases with age.

为验证双重加工理论对条件推理的个体差异和年龄差异的解释力度，本论文选取初一、高一、大学三个年龄段近1300名被试，根据两个加工系统的不同特点，从内容效应、指导语效应、时间压力、自信评价、逻辑训练以及认知的个体差异——工作记忆容量等角度对条件推理进行了发展性研究，研究结果显示：(1)随着年龄的增长，三个年级被试的抽象和具体材料条件推理四种推论的正确率均增长。

In this paper a new information recommendation system-Carlnfo is introduced. It takes the relations among words into account. It can make scattered keywords into a meshy structure so as to provide an abstract view of users" characters. It can distinguish explicit interests with latent interests. The modification of user profile is made based on user"s actual choose. Structuring of ontology is realized semi-automatically.

本文设计了一个信息推荐系统CarInfo，在这个系统中引入了人工智能界的一个概念Ontology，它根据词之间的关系把零散的关键词组织成一个网状结构，提供了一个用户特征的抽象视图，在推荐时系统能够区分用户的明确兴趣和潜在兴趣，并根据用户的实际选择对用户模型进行修正。

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。