18.1 Paper is made of cellulose fibers Paper was first made HARDWOOD FIBERS in China as early as AD 100, of mulberry bark, and then introduced to Western world by Arabs in eighth century. The first paper mills were built in spain in 11th century

国际货币基金组织(International Monetary Fund,IMF)与世界银行合称为“布雷顿森 林机构”,是战后货币合作、金融合作 、经济合作的产物,与关税与贸易总协 (General Ageement on Tariff and Trade, 简称GATT,1999年起正式改称为世界贸 易组织, World Trade Organization,简称 WTO)共同构成了战后国际经济秩序的三 大支柱

有两种坐标系,一种是世界坐标系(Wc: world coordinate system),这种较常用;另一种是用户坐 标系(UCS),这种常用于较复杂的图形。 坐标:动态与静态,默认为动态直角坐标。F6或 Ctrl+D可切换。状态栏右击:利用快捷菜单可选择显 示方式

Introduction to Economic Fluctuations The modern world regards business cycles much as the ancient Egyptians regarded the overflowing of the Nile. The phenomenon recurs at intervals, it is of great importance to everyone, and natural causes of it are not in sight -John Bates Clark, 1898 Economic fluctuations present a recurring problem for economists and policy-

Questions: Why do we select fuzzy controllers in many real-world- systems? How much of the success can be attributed to the use of the mathematical model and conventional control design approach? How much should be attributed to the clever heuristic tuning that the control engineer uses upon implementation?

Teaching AidTape--- recorder, DVD player Timeframe---6 class periods Objectives Recall some of the content of the readings .Categorize information from the text .Determine if information is stated or not .Bring students' world knowledge to the topic of the texts

Teaching Objectives: a. to help students to form a picture of Britain when it was under the bombs from German armies during World War II b. to direct students to write a composition with the structure of a general statement supported by specific details c. to guide students to do some oral practice through doing the interview and picture description and the routine pair work as well

ntroduction The cargo world attempts to solve a very complex mission(problem) This presentation outlines the elements of the problem but does not define a specific mission I have been trying to understand this subject for a few years now

Cereals are cultivated grasses that grow through￾out the temperate and tropical regions of the world. As members of the Gramineae (or grass family) they share the following characteristics, but these are developed to different degrees in the various members:

Cereals are prepared for consumption by domestic processing on a small scale in many parts of the world, but particularly in the less industrialized countries. The types of cereal grains so used are principally wheat, maize, sorghum and the millets, each of which finds greatest use in those countries in which it grows indigenously