家具行业的成本报价系统，主要的征费

或许大家都设计过数据库,也为表定义过主键,今天我想阐述的是,应该如何正确的设计一个主键,在以往的一些资料中,都没有提及到主键设计的原则.我为此总结了一下: -you might have designed the database, as well as table-defined primary key, and today I would like to explain is that How should correct the design of a primary key, in the past some of the information. no mention of the primary key design principle. I summarize this for a moment :

测试信号源 labview程序-Labview signal source testing procedures. . . . . . . . . . . . . . .

视觉检测的论文，国外作战，非常适合新的读者看。-Visual inspection of the papers, foreign operations, is ideal for readers new look.

本软件研究了地基的计算方法，并通过matlab对建筑工地上的地基扰度进行了数值计算，很好的解决了以前性能差的问题-This software to study the method of calculating the foundation, and through matlab on the construction site disturbance foundation degree has been calculated, a very good solution to the previous poor performance

orcad原理图绘制教程。60分钟可学会。-orcad schematic drawing tutorial. 60 minutes to learn.

emacs 中的一个插件，对于想学习EMACS编程的 很有用。-emacs in a plug-in, for want to learn useful programming EMACS.

PIC12F675 ADC程序 加protues 仿真-PIC12F675 ADC程序 加protues 仿真

双 极 2 相 步 进 电 机 驱 动-bipolar two phase stepper motor driver.

矩阵计算，包括矩阵相加、相减，相乘，还有求逆、转置，可直接调用-Matrices, including matrix addition, subtraction, multiplication, there is inverse, transpose, can be directly invoked

内存定位宏 使用方法： Begin_Locate_Memleaks(ID) End_Locate_Memleaks()-memory positioning Acer Use : Begin_Locate_Memleaks (ID) End_Locate_Memleaks ()