As a software layer between embedded operation system and hardware in embedded system, HAL (hardware Abstraction layer) is a key problem of embedded application.
在嵌入式系统中，硬件抽象层作为嵌入式操作系统和硬件之间的软件层次是嵌入式应用的一个关键问题。
The system has four layers, including application layer, data operation layer, data wrapping layer, and data source layer.
此原型分为四层，分别为应用层、数据操作层、数据包装层、数据源系统层。
Based on embedded operation system, the high layer protocol model and its implementation in MIMO wireless communication system is introduced.
文中基于嵌入式实时操作系统，实现了MIMO传输系统中的协议处理、业务汇聚和高速数据传输。
This load forecasting system belongs to the operation logic layer in the whole system.
这个负荷预测系统隶属于整个系统中的业务逻辑模块。
This issuance system possesses multi-functions of map-layer control and management, data searching and retrieval, and spatial analysis operation of basic information.
该网络发布系统具有图层控制与管理、数据查询检索、基本信息的空间分析操作功能。
The distributed system structure and integrated multi-layer data processing in software account for success of the system with satisfying performances in real operation.
得益于这种分布式系统结构以及分层数据处理方式，系统在实际运行中表现出了良好的性能。
The whole system can be logically classified into four layers: user access layer, bearing layer, operation support layer and application layer.
整个系统从逻辑上可以分为四个层：用户层、接入承载层、支撑管理层和业务应用层。
The function of the core layer is mainly used to coordinate the system of backup to capture data from the operation system, and perform management accordingly.
核心层功能主要用于协调热备份系统从操作系统中截获数据并进行相应管理；
As a software layer between embedded operation system and hardware in embedded system, HAL (hardware Abstraction layer) is a key problem of embedded application.
针对嵌入式系统开发平台构建中的硬件环境差异问题，给出了一种高移植性的硬件抽象层设计方案，并介绍了实现方法。
As a software layer between embedded operation system and hardware in embedded system, HAL (hardware Abstraction layer) is a key problem of embedded application.
针对嵌入式系统开发平台构建中的硬件环境差异问题，给出了一种高移植性的硬件抽象层设计方案，并介绍了实现方法。
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