2.1 作业组织和控制 2.2 作业管理举例 2.3 系统调用(SYSTEM CALL) 2.4 图形用户接口(GUI, GRAPHICUSER INTERFACE)

Computers Central Processing Unit Temporary Computer Memory Permanent Computer Memory Computer Control Operation Open and Closed Loop Operation Input Sensors

Structure of Hybrid Drive Classification of Hybrid Drive Toyota Prius Hybrid Drive System Principles of Operation Hybrid Control Modes

一、有关的基本概念 Several related concepts； 二、农作制度的功能 Role of farming systems； 三、中国农作制度的特点 Features of farming systems in China

1. 农田建设 Land construction 2. 土壤培肥 Improving soil fertility 3. 农田保护 Land and soil protection

土壤耕作的目的 Role of soil tillage 不同土壤耕作措施的作用 Effects of different tillage measures 常用的土壤耕作制度（耕法） Tillage systems

第一节 免疫器官 第二节 免疫细胞 第三节 免疫分子

What Do You Know About Your Target? The sensitivity needs of your system are primarily determined by the abundance of your target, which can be approximated according to its origin. Plasmids, cosmids, phagemids as colony lifts or dot blots, and PCR products are usually intermediate to high-abundance targets. Genomic DNA is considered an intermediate to low-abundance target. Most prokaryotic genes are present as single copies, while genes from higher eukaryotes

“专家系统是一种智能的计算机程序， 其内部含有大量某个领域专家水平的知 识与经验，能够模拟人类专家的思维过 程，求解该领域内需要专家才能解决的 困难问题

The immune system is a network of interacting cellular and soluble components. Its function is to distinguish entities within the body as \self\ or \nonself\ and to eliminate those that are nonself