All rights reserved. Manufactured in the United States of America. Except as permitted under the United States Copyright Act of 1976, no part of this publication may be repro￾duced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written permission of the publisher. 0-07-141799-0

Preface to the Fourth Edition As in the previous works, this new edition preserves the content, size, and convenience of this portable reference source for students and workers who use mathematics, while introducing much new material. New in this fourth edition is an expanded chapter­ on series that now includes

1 Safe service of the slipring assembly The slipring assembly of STEMMANN-TECHNIK GmbH is designed according to the state of the art and the approved safety regulations. Nevertheless danger can result for life and limb of the operator or third person by its usage, as well

All rights reserved. Except as permitted under the United States Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written permission of the publisher

offered encouragement and hel As for me, I have always been taking In modern society, one can hardly do care to do physical exercises and earn some without money. Every sign points to money to enable myself to live comfort

dollars, just next to that of Japan. This enabled China to stand the As shown by Graph 1, the exchange trials of the Asian financial crisis, shield rate of the yuan(RMB) fell dramatically ing the renminbi from devaluation

colorful life, the looser environment, yet From primary school to college, stu the more creative minds of the future stu dents, teachers and parents -all are dents. Our education, so to spea struggling for high scores. This is because bring up a new generation the current education system is not aimed at students' quality, but only at develop- tests. As a result

xample, if you are suddenly very sick deep at night with nobody to turn to for Today more and more taxis are seen help in an unfamiliar place, taxi is always in China. It often happened in the past available to help you to go to a hospital that we had to wait for hours until we fi As a result, there is a sharp increase taxis In eing squee

Second, the Chinese government, count ing on education to be another force to As can be seen from the charts significantly further its economy, has Chinas higher education, with the rapic made a series of preferential policies to growth of its GDP gross domestic

effect. One is that, with the rapid growth POPULATION GROWTH of population, people need more and more land to grow crops, to build houses to live ND DOW'NS OF POPULATION GINWTH in. As a result, there is less and less land and space for the wildlife. Another impor- tant reason lies in the fact that a host of