Siemens AG 2000. All rights reserved. Information and Training Center Knowledge for Automation 程序结构 STEP 7为设计程序提供三种方法。基于这些方法，可以选择最适合于你的应用的程序设计方法

SIMATIC S7 Siemens AG 2000. All rights reserved. Information and Training Center Know ledge for Automation PLC 的硬件安装和维护

I feel that this award was not made to me as a man, but to my work -- a life's work in the agony and sweat of the human spirit, not for glory and least of all for profit, but to create out of the materials of the human spirit something which did not exist before. So this award is only mine in trust. It will not be dif ficult to find a dedication for the money part of it commensurate with the purpose and significance of its origin. But I would like to do the same with the acclaim too, by using this moment as a pinnacle

Moderator: Ladies and Gentlemen: The President of the United States, Ronald Reagan. President Reagan: Thank you. Thank you very much. Thank you very much. Thank you very much. Thank you very much. And, Reverend Clergy all, Senator Hawkins, distinguished members of the Florida

Tragedy Address Ladies and Gentlemen, I'd planned to speak to you tonight to report on the state of the Union, but the events of earlier today have led me to change those plans. Today is a day for mourning and remembering. Nancy and I are pained to the core by the tragedy of the shuttle Challenger. We know we share this pain with all of the people of our country. This is truly a national loss

This is the 37th time I have spoken to you f rom this office, where so many decisions have been made that shape the history of this nation. Each time I have done so to discuss with you some matter that I believe affected the national interest. In all the decisions I have made in my public life I have always tried to do what was best for the nation

Mr. Speaker, Mr. President, Members of the House, Members of the Senate, my fellow Americans: All I have I would have given gladly not to be standing here today. The greatest leader of our time has been struck down by the foulest deed of our time. Today, John Fitzgerald Kennedy lives on in the immortal words and works that he left behind. He lives

Thank you. Thank you, very much. Thank you very, very much, President Keohane. Mrs. Gorbachev, Trustees, Faculty, Parents, and I should say, Julia Porter, class president, and certainly my new best f riend, Christine Bicknell -- and, of course, the Class of 1990. I am really thrilled to be here today, and very excited, as I know you all must be, that Mrs. Gorbachev could join us

Ann Richards: 1988 Democratic National Convention Keynote Address Thank you. Thank you. Thank you, very much. Good evening, ladies and gentlemen. Buenas noches, mis amigos. I'm delighted to be here with you this evening, because after listening to George Bush all these years, I figured you needed to know what a real Texas accent sounds like

Electronic Commerce Prentice Hall © 2006 2 Learning Objectives 1. Document the trends in computer and network security attacks. 2. Describe the common security practices of businesses of all sizes