SAP各个业务模块所要使用到的数据库表以及它们之间的关系，是ABAP开发必备手册。可以对整个SAP底层数据组成及数据流有一个清晰的认识，但希望大家不要太过于深入研究，毕竟SAP有上万个数据库表，一个不小心就会陷进泥潭。

The i.MX RT1050 processors are NXP's latest additions to a growing family of real-time processing products offering high-performance processing optimized for lowest power consumption and best real-time response. The i.MX RT1050 processors feature NXP's advanced implementation of the ARM®Cortex®-M7 core.

Spring 是一个以控制倒置(Inversion of Control)原则为基础的轻量级框架。控制倒置是一个用于“基于组件的体系结构”的设计模式，它将“判断依赖关系”的职责移交给容器，而不是由组件本身来判断彼此之间的依赖关系。当在Spring内实现组件时, 容器“轻量级”的方面就展现出来了：针对Spring开发的组件不需要任何外部库；而且, 容器是轻量级的，它避免了像EJB容器那样的重量级方案的主要缺点，例如启动时间长、测试复杂、部署和配置困难，等等。

HSPICE Reference Manual Commands and Control Options, version I-2013.12

开启学习VBA的新起点，等待你的共同探索。。

Abstract This is the MySQL™ Reference Manual. It documents MySQL 8.0 through 8.0.14. It may include documentation of features of MySQL versions that have not yet been released. For information about which versions have been released, see the MySQL 8.0 Release Notes. MySQL Cluster is currently not supported in MySQL 8.0. For information about MySQL Cluster, please see MySQL NDB Cluster 7.5 and NDB Cluster 7.6. MySQL 8.0 features. This manual describes features that are not included in every edition of MySQL 8.0; such features may not be included in the edition of MySQL 8.0 licensed to you. If you have any questions about the features included in your edition of MySQL 8.0, refer to your MySQL 8.0 license agreement or contact your Oracle sales representative.

cplusplus 离线版 2016.6.20 C++ Reference

The Spin Model Checker_Primer and Reference Manual (PDF格式)

统一建模语言UML参考手册， The_UML_Reference_Manual_2nd_Edition，Jacobson, I., Booch, G., and Rumbaugh, J. UML三巨匠著

HM最新版本16.9的reference software manual（参考软件手册），这个手册的主要内容包括HM的下载地址和使用方法，更重要的是，里面包含了对配置文件各个参数的详细解释，可以说是使用HM的必备手册。需要的小伙伴不要错过！