II. 19. This rule can be used for all integers, both positive and negative. 27. Impedance in an ac circuit plays the same role that resistance does in a dc circuit. 28. Two parallel wires a distance of apart carry the current i

Ellipsis I In compound sentences 电压的单位是伏特,电流的是安培。 Voltage is measured in volts and current in amperes. 地球吸引月球,月球也吸引地球 The earth attracts the moon and the moon the earth

The relative clause Ⅰ. Connectives that which 1. Relative pronoun

1. This equipment, it is said, was commercially available three years ago 4.-1--1, it was agreed, should be replaceable by-1 at will 8. No textbooks available have mentioned this point

Guangdong Instltute of Textile Technolegy Justification Textile materials are the basic materials. It is crucial to establish a basic understanding of the science governing the behavior of these materials. The course is taught in a bilingual system such that the students will have an opportunity to enhance their English ability while learning the key knowledge in textiles

Text Analysis: Main Idea and Devices for Developing It (HOME New words Main idea of the Main idea of each & text and devices part and devices Text for developing it for developing it Transcript

1. Principle of easiest penetration 2. The kinds of computer security breaches 3. What is firewall 4. 了解科技论文标题的写法

1. The origins of the programming languages 2. The concepts of computer compilers 3. Main properties of object-orientation 4. 了解UML，掌握复杂定语从句的翻译技巧

1. 了解操作系统是如何实现资源分配和用户接口功能的。 2. 通过学习操作系统功能的演化，认识操作系统在实现过程中采用的基本概念与技术，了解操作系统设计中的概念。 3. 认识操作系统的结构，了解当前常见操作系统的特点 4. 掌握被动语态的翻译技巧

1. Concepts of Number System and their conversion 2. Boolean Algebra 3. Moore’s Law 4. 科技英语中数学公式的读法