当用户运行被模拟的应用程序时，这是要面对的最常见问题之一。
This is one of the most common issues users face when running emulated applications.
所模拟的应用程序标识还需要至少对应用程序目录和子目录中的文件的读访问权限。
The impersonated application identity also requires at least read access to the files in your application directory and subdirectories.
这些组合应用程序成为业务域中业务流程的IT模拟。
These composite applications become the IT analogy of business process in the business domain.
然而，在迎合用户的模拟思维方面，应用程序的数字处理只能达到这个程度。
Nevertheless, an application's digital processing can only go so far to meet the analog thinking of users.
这个测试非常适合用来测试那些要运行科学应用程序和模拟的计算机，因为它们都要在某些步骤上试图对线性方程进行求解。
This test is well suited to speed test computers meant to run scientific applications and simulations because they tend to solve linear equations at some stage or another.
在模拟两个应用程序之间的同步交互时，涉及一定量的开销和进行一些簿记。
There's a certain amount of overhead and bookkeeping involved in simulating a synchronous interaction between two applications.
要想了解如何编写模拟服务，必须了解运行时应用程序的运行方式。
To understand how the mock service is written, you must understand how the runtime application will run.
最初，这个模拟作为一个不带可视化功能的应用程序提供下载。
The simulation was originally available as a downloadable application with no visualization.
对于供应链流程的其余步骤，也使用该应用程序进行模拟。
The remaining steps in the supply chain process will also be similarly simulated using the application.
匿名块如何模拟应用程序的运行。
Web服务测试应用程序通过模拟的服务从XML文件中读取配置数据。
The Web services test application reads the configuration data from the xml file via the simulated services.
启动VT Connector（这样它就可以用于模拟EIS应用程序的活动）
To start the VT Connector so that it is available for simulating EIS application activity
应用程序可以在模拟的moto上进行调试和开发，然后在主机上运行。
The apps can be debugged and deployed on simulated motes that run on a host computer.
清单4的代码在模拟应用程序运行的同时捕获性能度量指标。
The code simulates an application run while capturing performance metrics.
现在，使用与GoogleAppEngine数据存储交互的应用程序替换模拟实现，看看会发生什么。
Now let's see what happens when you replace the mock implementation with a version of the application that interacts with the Google app Engine datastore.
在这个示例中，我们将使用一个简单的主页，它将模拟到应用程序功能的链接。
In this example, we're going to use a simple home page that will simulate links to application functionality.
您也可以在使用自动化测试工具运行应用程序时进行分析，这样可以让您很容易地重复运行有问题的场景并模拟应用程序的实际负荷。
You can also profile applications as they are launched by automated testing tools, which frees you from having to repeatedly run the problem scenario and can simulate the load on the application.
编写单元测试是一个更好的方法，因为这些测试允许您模拟使用该应用程序的用户，然后确定应用程序是否正确响应。
Writing unit tests is a much better approach as these tests allow you to simulate a user exercising the app and then determine if the app has responded correctly.
通过使用模拟器，应用程序只改变端点，而不会知道响应来自于模拟的后台系统。
By using simulators, the application only changes endpoints and is not aware that the responses are from simulated back-end systems.
无论如何，你不需要每次重新生成你的应用程序的时候都重新启动模拟器，通常情况下你只需要启动一次并让它保持运行即可。
However, you don't need to boot the emulator each time you rebuild your application-typically you only need to boot at the start of a session and keep it running.
本文讨论设备模拟，提供该功能的最重要应用程序之一是QEMU(一个系统模拟器)。
This article touched on device emulation, and one of the most important applications that provides this functionality is QEMU (a system emulator).
该文件使应用程序能够模拟真实的情况，并通过不同的值、设备或帐户进行测试。
This file enables our application to simulate real conditions, and to test with different values, devices or accounts.
这是不是一种临时搭配，以尝试和模拟真正的桌面GUI应用程序功能？
Isn't this just another kludge to try and emulate real desktop GUI application capabilities?
本部分介绍使用静态SQL模拟具有生产应用程序的环境所需的步骤。
This section describes the steps to simulate an environment that has an application in production using static SQL.
可以在应用程序样例中的多处地方使用模拟。
You can use the emulation in many places in the example application.
设计的下一个步骤是创建模拟真实应用程序的原型。
The next step in the process is to create prototypes that will simulate the real application.
VMI依赖一个兼容的管理程序，而且可能需要对该管理程序的设备模拟进行一些配置，但其关注点还是在应用程序上。
The VMI relies on a compatible hypervisor and potentially some configuration of the hypervisor's device emulation, but the focus remains on the application.
幸运的是，模拟J VM在运行应用程序的主类时所做的工作是相当容易的。
Fortunately, it's pretty easy to emulate the work done by the JVM in running the main class of your application.
SDK提供文档、IDE和用于测试移动应用程序的模拟器(下载信息见参考资料)。
The SDK provides documentation, an ide, and simulator for testing mobile applications (see Resources for download information).
第一个架构将设备模拟整合到管理程序中，而第二个架构将设备模拟推到管理程序之外的一个应用程序中。
The first architecture incorporates device emulation within the hypervisor, while the second pushes device emulation to a hypervisor-external application.
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