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在现代化的工业生产设备中，有大量的数字量及模拟量的控制装置，例如电机的起停，电磁阀的开闭，产品的计数， 温度、压力、流量的设定与控制等，工业现场中的这些自动控制问题，若采用可编程序控制器( P C ) 来解决自动控制问题已成为 最有效的工具之一，本文叙述P C 控制系统设计时应该注意的问题。-In modern industrial production equipment, there are a large number of digital and analog control devices, such as motor starting stop, solenoid valve opening and closing, product count, temperature, pressure, flow and control settings such as, industrial site automatic control of these problems, the use of programmable logic controller (PC) to solve the automatic control issue has become one of the most effective tool, this article describes the design of PC control system should pay attention to.

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A hands-on guide to the Java programming language, The Java™ Tutorial, Fourth Edition is perfect for any developer looking for a proven path to proficiency with Java SE. This popular tutorial "from the Source" has been completely revised and updated to cover Version 6 of the Java Platform, Standard Edition.-The Java™ Tutorial Fourth Edition: A Short Course on the Basics By Sharon Zakhour, Scott Hommel, Jacob Royal, Isaac Rabinovitch, Tom Risser, Mark Hoeber

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This file contains documentation all APIs from Palm, Inc. for Palm OS by ACCESS. It includes the API function definitions for the following product lines: Centro Treo Tungsten Zire LifeDrive The goal of this document is to provide developers with a detailed reference of all functions, parameters, and constant definitions. For more information on developing applications, refer to the document "Palm Developer Guide, Palm OS Platform" available as part of the SDK download and also separately at the PDN website.

编程语言设计的圣经，也可以作为全面了解各种编程语言的书籍。 适合领域描述语言（DSL）的设计者和编译器的开发者

LABVIEW 8.20程序设计从入门到精通 13－15章　程序源码-LABVIEW 8.20 program design from entry to the master s program source code, 13-15

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