系统软件层通常是最容易通信的。
The system software layer is usually the easiest to communicate.
表4：系统软件层(部分示例)。
下表定义了每一软件层及其功能。
The table below defines each software layer and its functionality.
此外，我们需要多路径软件层来管理多个存储路径。
In addition, we need a multipath software layer to manage the multiple storage paths.
其API软件层管理计算资源和网络通信。
Calculative resource and network communication is managed by API software.
PikeOS系统软件层向来宾分配资源(空间和时间)。
The PikeOS system software layer allocates resources (in terms of both space and time) to the guests.
跨多个软件层使用XML可以简化编程逻辑，降低开发成本。
Using XML across multiple software tiers simplifies programming logic and reduces development costs.
每个软件层都通过添加新特性来扩展结构的性能。
Each software layer enhances the capabilities of the architecture by adding new features.
在本课程中，软件层定义为一个特定的软件包和功能。
In this course, the software layers are defined as a specific software package and functionality.
嵌入式计算机系统的软件层包括系统软件层和应用软件层。
Embedded computer systems, software layer, including system software layer and application software layers.
使用软件层所有海报使用至少一个图像组层的每一个海报。
Used Photoshop layers on all posters Used at least one Photoshop group layer on each poster.
当软件功能或开发对象发生变化时，只需更换相关软件层即可。
When the software functionality or develop object change, it only need to replace the related software layers.
就许可(license)费用而言，系统软件层通常是最昂贵的层。
Many times, the system software layer is the most expensive layer in terms of licensing fees.
VM应用程序被分成了中间软件层、OS和运行在OS之上的应用程序。
The VM application is divided into an intermediary software layer, an OS and an application running on that OS.
还有软件层以帮助企业把IT基础架构变成自己的云，也就是“数据中心的虚拟操作系统”。
The other is software that helps firms to turn their IT infrastructure into their own cloud, known as a “virtual operating system for data centres”.
在实际的系统中，架构师会为每个软件层(表示层、业务层和数据访问层)设计类。
In an actual system, the architect would design the classes for each software layer (presentation, business, and data access).
多路径软件层可以使用冗余路径交付性能增强，比如动态负载平衡、传输监控、自动路径管理和动态重配置。
Multipath software layers can use redundant paths to deliver performance enhancements such as as dynamic load balancing, traffic shaping, automatic path management, and dynamic reconfiguration.
逻辑视图中的三个软件层(表示层、业务层和数据层)是以代码形式被物理实现，并部署到这些节点上。
The three software layers in the logical view (presentation, business, and data) are physically implemented as code and deployed onto these nodes.
ODBCDriverManager是一个软件层，管理用户应用程序与odbc Driver之间的通信。
The ODBC Driver Manager is a software layer that manages the communications between the user application and ODBC Driver.
在图1中可以看到，hypervisor是提供底层机器虚拟化的软件层(在某些情况下需要处理器支持)。
As you see in Figure 1, the hypervisor is the layer of software that provides the virtualization of the underlying machine (in some cases, with processor support).
虚拟机管理程序(hypervisor)是一个较薄的虚拟化软件层，它抽象化来自服务器平台的操作系统和应用程序。
The hypervisor is a thin layer of virtualization software that abstracts the operating system and applications from the server platform.
图1中所示的这个虚拟化组件是由一个名为hypervisor(有时也叫作虚拟机监视器[VMM])的软件层提供的。
Figure 1 shows that the virtualization component is provided by a layer of software called a hypervisor (sometimes called a virtual machine monitor [VMM]).
快速切换是内核的一个特性，它充许设备驱动在对进入流量的中断上下文中，使用一个小的缓存(经过所有的软件层)。
FAST switching (also called FASTROUTE) was a kernel feature that allowed device drivers to route incoming traffic during interrupt context using a small cache (bypassing all the software layers).
J2ME技术在一个完整的应用程序运行时模型中定义了这种模块性和可伸缩性，在该模型中的四个软件层都构建在设备的主机操作系统上。
This modularity and scalability is defined by J2ME technology in a complete application runtime model, with four layers of software built upon the host operating system of the device.
换句话说，Xenhypervisor是硬件之上一层薄的软件层。为了在Xen hypervisor上运行，每个guest操作系统的内核和驱动程序都必须作出修改。
In other words, the Xen hypervisor is a thin layer of software that sits on top of the hardware; each guest operating system's kernel and drivers have to be modified to run on it.
软件RAID是一层附加的保护，它使已经很稳定的服务器变得更强健。
Software RAID is that added layer of protection that makes an already rugged server even better.
这种技术结合软件、电脑屏幕上的一层膜和3d眼镜，令视频和照片呈现立体效果。
It combines software, a film layer on the computer screen and 3d glasses to make videos and photos pop out.
此层包括软件组件，每一个组件都是服务的实现或对服务的操作。
This layer contains software components, and each of which are the realization of a service or operation for a service.
事实上，软件描述的架构层是设计人员的主要工作，有时候，在技术文档中。
In fact, the architectural level of software description is in the head of the designer and, sometimes, in the technical documentation.
这将使新的业务流程更容易实现，而不必再创建集成软件的其他层。
This will make it easier to implement new business processes without having to create additional layers of integration software.
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