一、基本抽样问题 1 基本概念 2 制定抽样计划的步骤 3 抽样误差与非抽样误差 4 概率抽样方法 5 非概率抽样方法

1绪论 2污染控制化学基本原理 3大气污染控制化学 4水污染控制化学 5土壤污染控制化学 6固体废弃物污染控制化学 7污染控制化学进展

3.1 Basic DC to DC converters 3.1.1 Buck converter(Step-down converter) 3.1.2 Boost converter(Step-up converter) 3.1.3 Buck-Boost converter(Step-downstep-up converter)and Cuk converter 3.1.4 Sepic converter and Zeta converter 3.2 Composite DC/DC converters and connection of multiple DC/DC converters 3.2.1 A current-reversible chopper 3.2.2 Bridge chopper (H-bridge DC/DC converter) 3.2.3 Multi-phase multi-channel DC/DC converters

Text A Smart Cars Part 1 Objectives Part 2 Background Part 3 Structure Study LR Part 4 Language Points

第8章逻辑门电路 8-1逻辑关系与门电路 8-2TTL集成逻辑门电路 8-3其它类型的TTL集成逻辑门电路

第10章触发器 10-1基本RS触发器 10-2其它类型的触发器 10-3集成555定时器及其应用

Objectives The learners should be able to: （1) write an test-article with statistics （2)understand the different functions of different graphs. （3). write simple authentic report making use of statistics （4) convert text to graphs and insert graphs via word processor

Unit 1 In production Objective of the class （1) A better understanding\writing\ what, why,and how （2)Building up confidence of long writing by the first article 3)Survey of computer skills Task （1) Take notes about what teacher says in class

1 微型计算机系统的基本原理 2 微型计算机硬件系统 3 微型计算机的软件系统 4 多媒体计算机文化基础 5 计算机系统安全与计算机病毒

Objectives （1).Writing competence (paragraph level) ·and4: Write150-to-200- word article in 30 minutes/ a piece of 60-word applied writing in 10 minutes. （ 2) thinking ability (classification, analysis, contrast or comparison etc) （3) basic computer skills (handling files and editing via Microsoft word...)