Countries engage in international trade for two basic reasons Countries trade because they differ either in their resources or in technology Countries trade in order to achieve scale economies or increasing returns in production

Previously saw (in Unit 19)that a multi degree-of-freedom system has the same basic form of the governing equation as a single degree-of-freedom system The difference is that it is a matrix equation

一、常用的数据库的连接方法 1 ODBC 2 OLE DB 3 ADO 二、在 DELPHI中的数据库开发 三、在 Visual Basic中的数据库开发 四、在ASP中的数据库开发

What is the pH of natural rain water? pH of natural rain water is determined by acidic and basic species that are

(Basic concepts of stress) 一、应激(Stress) 二、应激原(Stressor) 三、应激反应分类(Classification of stress

1. 化学热力学的体系与状态 2. 热力学第一定律 3. 热化学 4. 热力学第二定律

Alderfer's ERG Theory Core needs are existence, relatedness and growth Existence- provision of basic material requirements Relatedness-desire for relationships Growth -desire for personal development More than one need can be operative at the same time

There are two basic methods of generating process manufacturing gear teeth,the generating process and the forming forming process process. When a gear tooth is generated, the workpiece and the grinding cutting or grinding tool are in continuous mesh and the tooth form is mesh

一、填空 1、所谓BIOS,实际上就是 Basic Input Output System的简称,译为,其内容集成在微机主板上的一个ROM芯片上

§16-1 配合物的基本概念 The Basic Concepts of Complexes §16-2 配位化合物的同分异构现象 The Isomerism of Complexes §16-3 配合物的化学键理论 The ChemicalBond Theories of Complexes §16-4 配位平衡及配合物的稳定性 Coordination Equilibrium and Stabilization of Complexes