高速FPGA PCB设计指南Over the past five years, the development of true analog CMOS processes has led to the use of high-speed analog devices in the digital arena. System speeds of 150 MHz and higher have become common for digital logic. Systems that were c
Programming.the.iPhone.User.Experience Organization of This Book Chapter 1, Cocoa Touch: The Core iPhone, describes the essential information for Cocoa Touch and the devices that run the iPhone OS. Chapter 2, The Mobile HIG, gives an introduction to
[0.1.2.0 - 2009/03/07] + Added support for AutoCad12, AutoCad2000, AutoCad2004 and AutoCad2007 dxf files + The Ellipse entity will be exported as a true ellipse for dxf file version AutoCad2000 and higher + Due to the need of keeping unique handles
