在光学的发展史上,认识过程为:实验模型理论。即首 先通过实验或者观察,总结出研究对象的规律,根据这些规律,构建 出研究对象的物理模型,物理模型是对研究对象抽象和简化的结果, 或者说是对其物理本质的概括。从物理模型出发可以很容易地得到已 经总结出的规律,如果这一点是满足的,就可认为模型是正确的

一、什么是计算机网络? 计算机网络是地理上分散的多台独立自主的计算机遵循约定的通讯协议,通过软、硬件互连以实现交互通信、资源共享、信息交换、协同工作以及在线处理等功能的系统。 计算机网络与国际电话系统十分相似--没有人能完全拥有或控制它,但连接以后却能使它象大型网络一样运转

1、简介跳高项目发展概念、项目特点,建立背越式跳高技术概念 2、学习原地摆臂及支撑摆腿练习、学习上步起跳技术

(1)简介铅球运动概况 (2)学习握、持球及原地正向推铅球技术

CCSM(Coupled Model) releases Each release includes the complete collection of component model source code, documentation, input data Model output data is available Release date d CCSM 3. 0 June 2004 Notable

Climate change output CSIRO Atmospheric Research Technical Paper No 37, 1998 Kevin J. Hennessy Contents Abstract Global climate models Regional climate models CsiRo climate models

R30 Model One of the simulations conducted as part of the GFDL-University Consortium project is a 17 year simulation in which the lower boundary conditions repeat the mean seasonal cycle. Attributes of the model simulation are given below

Chapter 2 Chap. 2 Climate and Its Change -Background Knowledge 2.1 Climate and climate system 2.2 Climate changes 2.3 Climate models and its applications Date Assessment of climate/change impacts

Content Chap.1 Introduction Chap. 2 Background knowledge-Climate Change Chap. 3 Climate/change and agriculture Chap. 4 Climate/change and water resources Chap. Climate/change and land resources Chap. 6 Climate/change and disasters

3.4 Crop growth and its modeling 3.4.1 Components of plant growth 3.4.2 Empirical models 3.4.3 Process-based models 3.4.4 Case studies