§3.1 容斥原理引论 §3.2 容斥原理 §3.3 例 §3.4 错排问题 §3.5 棋盘多项式和有限制排列 §3.6 一般公式 §３.7 鸽巢原理之一 §３.8 鸽巢原理之二 §３.9 Ramsey问题 §３.10 Ramsey数

一、文献检索原理 二、检索工具 三、检索方法

中断的基本原理 中断的实现方法 中断控制器8259A DMA控制器8237 计数器/定时器8253

Every field of study has its own terminology Mathematics axioms integrals vector spaces Psychology

Economy. . . . . . The word economy comes from a Greek word for “one who manages a household

Elasticity . . . … is a measure of how much buyers and sellers respond to changes in market conditions … allows us to analyze supply and demand with greater precision

In a free, unregulated market system, market forces establish equilibrium prices and exchange quantities. While equilibrium conditions may be efficient, it may be true that not everyone is satisfied

第一章 化学反应原理 第二章 溶液 第三章 电化学基础

The Costs of Taxation How do taxes affect the economic well- being of market participants?

International Trade What determines whether a country imports or exports a good?