在多个标准设备请求中所提到的描述表是有一定格式的数据集。
The descriptor used in several device requests is the data set with a defined format.
该请求使驱动器交叉进程挂起，直至设备请求中断或设备超时。
The request causes the driver fork process to be suspended until the device requests an interrupt or the device times out.
把模拟设备的请求转换为真实设备请求的过程可以理解为总是要增加性能开销。
The process of translating an emulated device's request into something the real device can understand always adds performance overhead.
请求将被后端接收到，然后回送一个JSON响应文件，其中含有设备请求的数据。
The request will be received by the back end, which in turn will send back a JSON response file containing the requested data to the device.
本章所涉及的具体实例部分只是作为例子，以阐述主机系统响应usb设备请求的行为。
The implementation described in this chapter is not required. This implementation is provided as an example to illustrate the host system behavior expected by a USB device.
当客户设备请求页面时，WebSphereportal首先检查设备的类型，然后组合portlet，每个portlet都会为该具体设备生成其内容。
When a client device requests the page, WebSphere Portal first detects the type of the device and then assembles the portlets, which each render their contents for that particular device.
当一个过程等待一个块设备数据请求完成时，它会增加 I/O等待时间，而所有空闲都会变成等待时间。
When a process waits for a block device data request to complete, it incurs I/O wait time, and all idle time becomes wait time.
例如，对底层设备驱动程序的读写请求会通过缓冲区缓存来传递。
For example, read and write requests to the underlying device drivers migrate through the buffer cache.
应用程序服务器会与启动请求的特定设备的网关服务器进行通信。
The application server communicates with the gateway server for the specific device that initiates the request.
MDAT允许开发人员一次性设计应用程序，并生成在所选的目标设备上呈现请求内容所需的代码。
MDAT allows the developer to design the application once and generate the code necessary to render the requested content on selected target devices.
为设备分配中断请求(IRQ)的确是一个非常有用的服务，因为它允许OS只获取一个服务列表并开始运行，而不用对它们进行编程。
Allocating interrupt requests (IRQs) to devices may actually be a useful service, because it allows the OS to just grab a list of devices and start running, without having to program them.
移动设备准备一堆请求参数并准备接受和解释随后的响应。
The mobile device prepares a bundle of request parameters, and prepares to accept and interpret the subsequent response.
需要确保后端基础结构能够以适当的方式响应来自这些设备的请求。
You need to ensure that your back-end infrastructure can respond to requests from these devices in a useful fashion.
拉技术是在手持设备使用其网关发出通信以请求数据时。
Pull technology is when the handheld device initiates the communication using its gateway to request data.
中间件数据库用于为请求登录的设备准备和格式化数据。
The middleware database is used to prepare and format the data for the device requesting the login.
缓存设备需要解析所有请求和响应报头，以便找到这些问题的答案。
A caching device needs to parse all of the request and response headers in order to find answers to those questions.
缓冲区缓存会缓存文件系统和相关块设备之间的请求。
The buffer cache buffers requests between the file systems and the block devices that they manipulate.
并且，应该如何为各种存储设备和软件请求者提供稳定的交互性？
And how can we provide smooth interoperability among various storage devices and software requesters?
请确保使用正确的用户代理字符串，因为门户使用该值来使入站请求与设备匹配。
Make sure to use the correct user agent string, since this is the value the portal USES to match an incoming request to your device.
它接收并处理设备服务和任务管理请求，然后向发送这些请求的发起者返回响应。
It receives device service and task management requests for processing and sends responses back to the initiator that transmitted these requests.
代码转换是根据请求设备的特征和用户首选项动态地修改和定制文档的过程。
Transcoding is the process of dynamically mutating and customizing a document based on the characteristics of the requesting device and on the user's preferences.
此时，数据被格式化成适合请求数据的设备的屏幕。
At this time, the data is formatted into screens appropriate to the device that requested the data.
底层网络包的数据或消息区域封装了一个请求命令，它请求设备中包含设备信号数据的寄存器的内容。
A request command is enclosed in the data or message section of the underlying network packet. It requests the contents of registers in the device containing signal data of a device.
网关将手持设备的请求传送到应用程序服务器（中间件）。
The gateway transfers the handheld s request to the application server (middleware).
ARP映射表确保该设备不会向它已经通讯过的设备重复发送ARP请求。
The ARP table ensures that the device doesn't have to repeat ARP Requests for devices it has already communicated with.
这就允许在其中缓存请求，减少访问物理设备的次数，加快访问速度。
This allows the requests to be cached there for faster access (rather than going back out to the physical device).
通过标准的Modbus命令请求测试设备上的Modbus寄存器的内容。
Request the contents of Modbus registers on the device under test through standard Modbus commands.
busy：这个命令可以报告该设备忙于处理传输请求的时间比例。
Busy: This command reports back the portion of time that the device was busy servicing transfer requests.
门户Servlet检查请求标头并确定哪个设备和用户正在请求页面。
The portal servlet examines the request header and determines which device and which user is requesting a page.
如果您研究下面的图表，就会发现WebSphereApplicationServer是第一个收到设备的HTTP请求的。
If you study the diagram below closely, you'll notice that WebSphere Application Server is the first to receive the HTTP request from a device.
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