演示讲解了“等厚干涉”的知识原理。

本课件是关于体内酸与碱平衡的概念，内容很全面。

这是今年新出现的一本量子力学电子书，适合于初学者。 Part 1 OPENING REMARKS Greetings Opening Lecture Marc Henneaux Part 2 CONTRIBUTED PAPERS On the Symmetries of Classical String Theory Constantin P. Bachas Eddington–Born–Infeld Action and the Dark Side of General Relativity M´aximo Ba˜nados Light-Cone Field Theory, Maximal Supersymmetric Theories and E7（7） in Light-Cone Superspace Lars Brink Strongly Hyperbolic Extensions of the ADM Hamiltonian J. David Brown Black Hole Entropy and the Problem of Universality S. Carlip Sources for Chern–Simons Theories Jos´e D. Edelstein and Jorge Zanelli The Emergence of Fermions and the E11 Content Franc¸ois Englert and Laurent Houart v vi Contents Why Does the Universe Inflate? S.W. Hawking Kac–Moody Algebras and the Structure of Cosmological Singularities： A New Light on the Belinskii–Khalatnikov–Lifshitz Analysis Marc Henneaux Black Holes with a Conformally Coupled Scalar Field Cristi´an Mart´ınez Quantum Mechanics on Some Supermanifolds Luca Mezincescu John Wheeler’s Quest for Beauty and Simplicity Charles W. Misner Magnetic Monopoles in Electromagnetism and Gravity Rub´en Portugue´s The Census Taker’s Hat Leonard Susskind Static Wormholes in Vacuum and Gravity in Diverse Dimensions Part 3 CLOSING Claudio Bunster： A Personal Recollection Profile of Claudio Bunster

7.1、计算机网络概述 7.2、Internet 7.3、Internet的基本服务功能

演示了“激光的发明”的知识原理。

DL的库、程序包和配置第六章VHDL中属性的描述及定义语句第七章VHDL中的重载EDAsy.pdf

演示讲解了“等倾干涉”的知识原理。

演示了“电介质极化”的知识原理。

演示了“海市蜃楼”的知识原理。

机械通气给呼吸衰竭（呼衰）患者予以呼吸支持，维持生命，为基础疾病治疗、呼吸功能改善和康复提供条件。