In addition, each piece can be clustered so that you have redundancy at the layer level.
另外，每个部分都可以使用集群，这样就可以在层次级别上具有一些冗余。
SAW(surface acoustic waves) gyroscope is passive, wireless and has single layer level structure.
声表面波（SAW）陀螺具有无源、无线、单层平面结构等优点。
Case is a system that has layer level; the classification of case is stipulated mainly by the verb of different classification.
格是一个有层级的系统，格的类别主要由不同类别的动词规定。
This lets administrators deploy and move application servers at a virtualization layer level instead of at the physical machine level.
这使得管理员可以在虚拟层，而不用在机器物理层，部署和迁移应用服务器。
Level 4: Business process composition or choreography layer.
层4：业务过程合成或编排层。
Both of these specifications allow SOAP stacks to push this problem down to a lower level, in particular, to the middleware layer.
这两个规范都允许soap堆栈将这个问题推到一个较低的级别上，特别是到中间件层。
These entities are also part of the specification and form a layer on top of the wire level protocol: the AMQP model.
这些实体也是规范的一部分，形成了在线路层协议顶端的一个层级：AMQP模型。
The flow chart in Figure 1 demonstrates how TAMOS implements the security layer by intercepting the system calls at the kernel level.
图1的流程图演示了TAMOS如何通过在内核层面拦截系统调用来实现安全层。
You should especially design interfaces between layers or domains with this in mind, while layer - or domain-internal interfaces might not require this level of attention.
在层或域之间设计接口时，应该特别记住这一点，虽然层或域内的接口可能没有这方面的要求。
Dependency Inversion Principle states that we should decouple high level modules from low level modules, introducing an abstraction layer between the high level classes and low level classes.
依赖倒置原则声明了我们应该将高层模块和低层模块解偶，在高层类和低层类之间引入一个抽象层。
Rather it is a layer that extends the browser’s security model down into the operating system level.
它是构建在操作系统级别的一个服务层，以便扩展浏览器的安全模型。
Always starting transactions at the highest level in the call stack (the API layer) can be inefficient, particularly in cases of high-user-throughput and high-database-concurrency needs.
始终在调用栈的最高层(api层)启动事务有时会效率低下，特别是对于具有高用户吞吐量和高数据库并发性需求的应用程序。
The conversation model takes this approach to the next level by introducing a third layer on top of the flow logic.
对话模型在流逻辑上引入了第三个层，从而使这种办法更进了一步。
To connect to a DB2 or Cloudscape database server, the Unified ODBC extension for PHP relies on the Call Level Interface (cli) layer of the DB2 client.
为了连接db 2或Cloudscape数据库服务器，PHP的统一odbc扩展需要依赖DB 2客户机的调用级接口(Call Level Interface,cli)层。
For example, use of portlets that invoke Web services at the user interface level and the implications on the functioning of that layer.
例如，在用户接口级别上调用Web服务的portlet的使用，以及在此层机能上的含意。
The macro level is build and application wide and the micro level happens at the domain layer, where domain classes publish the events whenever they interact with the database.
宏观层次就是构建和应用范围，而微观层次处于领域层，领域类在与数据库发生交互时发布事件。
Next is the mid level, also called the common or unifying layer.
接下来的是中间层，也称为公共层或统一层。
Defined as such, SOA is a collection of patterns for building an enterprise-level integration layer between applications while abstracting those applications as services.
通过以上的定义，当提取应用程序作为服务时，SOA是在应用程序之间构建企业级集成层的模式集。
The logical file system layer is the level of abstraction at which users can request the various file operations, such as read, write, stat, and so on.
逻辑文件系统层是一个抽象层，用户可以通过它请求各种文件操作，如读、写、获得相关信息，等等。
This layer provides a common set of functions to be used by lower-level network device drivers to allow them to operate with the higher-level protocol stack.
这一层提供了一组通用函数供底层网络设备驱动程序使用，让它们可以对高层协议栈进行操作。
Developers can add an extra layer of application and data-level security when critical data is controlled by their software.
当关键数据被其他软件控制的时候，开发人员可以添加额外的应用程序层和数据级安全。
The GPFS portability layer (PL) is kernel-specific, and it must be created separately for each operating system level within your cluster.
GPFS可移植层（PL）是内核特有的，必须为集群中的每个操作系统级别单独创建。
But in an SOA context, the top level namespace is in a registry above the messaging network layer.
但是在soa上下文中，顶级命名空间是在消息网络层之上的注册中心。
Historically, this has resulted in applications having to reinvent existing database level authorization and auditing functions inside the application layer.
从历史的角度而言，这导致了应用程序不得不在应用层内重新进行现有的数据库级别的授权和审核功能。
The architect refines the system-level classes to design the business-layer interface.
架构师对系统层类进行改进以设计业务层接口。
In single sign-on scenarios it reads in a token from the session possibly placed in the session by some higher-level authentication layer which identifies a user.
在单点登录场景中，它读取会话中可能存在的令牌，令牌是由识别用户的更高的身份验证层放在会话中的。
To keep this article brief, Figure 7 presents just the static design for the business layer to show how the system-level abstractions are refined to the design.
为了保持本文的简洁，图7只展示了业务层的静态设计，以便说明系统层抽象是如何针对设计进行改进的。
This layer negotiates the required level of security between a CORBA client and a server prior to allowing communications.
在通信之前，该层在CORBA客户机和服务器之间协商需要的安全级别。
Some consideration must be given to where to place the dividing line between the BPEL layer and the orchestrated, lower-level business logic services.
必须考虑的一点是，bpel层和已编排的低级业务逻辑服务之间的分界线应该放置在何处。
In BPEL-based business applications, this business-level logic is transferred to the BPEL layer.
在基于BPEL的业务应用程序中，这种业务层面逻辑被转移到bpel层中。
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