也叫感受价值定价法,是企业根 据购买者对产品的认知来制定价格 的一种方法。 认知价值定价法的关键是准确地 计算所提供的全部市场感受价值

第一节两项百分数资料的假设测验 一、单个样本百分数(或成数)的统计假设测验 这是测验一个样本百分数的总体百分数P与某一理论 值或期望值P的差异显著性。由于np和nq都大于5时二项 分布趋近于正态,所以可用u测验,但需进行连续性矫正; 如果np和nq都大于30,则可不进行连续性矫正;如果np 或nq小于5,则宜用二项式展开直接计算或进行连续性矫 正后的t测验,按df=n-1查表

Relationship with Ther courses(Relationship with other Courses(2) pp Dev Practic Chapter 1: Introduction Chapter 1: Introduction Chapter goal: Network basics Network basics TCP/IP protocols stack

Conceptual interface specification Implementation of an API The TCP/IP standards do not leave All implementations of a particular API appear the ithout any guidance. or functions)that ar

Chapter 3: Client Software Design Chapter goal: Algorithm and issues Concurrency in client Client examples Learning algorithm instead of details

Optimizing stateless servers Consider a connectionless server for file Table of information about files clients are using We find hash(IP addr, port) Overhead of opening and closing file each Buffer for file x

Chapter 5: Tunneling and Application Gateway Chapter goal: Multiprotocol environment a Multiprotocol environment Mixing network technologies Mixing network technologies Encapsulation and tunneling Encapsulation and tunneling

Chapter 6: Web and RPC Based P. Application Development Chapter goal Www and Http Www and hTMl Web Programming RPC and Middleware World wide web Use of Client-Server Paradigm

Chapter 7: P2P Application development Chapter goal: P2P applicat P2P application model P2P examp P2P example

田间持水量是土壤排除重力水后,本身所保持的毛管悬着水的最大数量。它是研究土、 水、植物的关系,研究土壤水分状况,土壤改良合理灌溉不可缺少的水分常数。吸湿水是 风干土样水分的含量,是各项分析结果计算的基础