When averaging the outputs of classic voltage amplifiers, you can reduce the noise to a fraction of 1/ by using N amplifiers and three times as many resistors (Reference 2).
当平均经典电压放大器的输出时，通过使用N个放大器和三倍电阻减少噪声到1/ （参考文献2）。
Self evaluation result for reference 2, each index of main control department to the molecular companies reported, according to the Department of information for the company rating;
各指标主控部门以各分子公司上报的自评结果为参考，根据各部门掌握的信息为各公司打分；
Note: The result for Listing 2 cannot be passed by reference.
注意：清单2的结果不能以引用的方式传递。
Use Table 2 as a handy reference for octal permissions.
使用表2作为一个方便的八进制权限参考。
In Figure 2, you can see that the client application container provides a reference resolution and mapping layer with JNDI.
在图2中可以看到，客户机应用程序容器提供了带有JNDI的引用解析和映射层。
Code snippet (1) in Listing 2 creates an endpoint reference.
清单2中的代码段(1)创建了一个端点引用。
Write the simple code shown in Listing 2, which obtains a reference to the current user and reports that the user is not authenticated.
编写清单2内所示的简单代码，它获得对当前用户的一个引用并报告说用户未经身份验证。
If you have an SOA environment, you should refer to the SOA reference architecture [1], illustrated in Figure 2, when considering performance-related questions in architecture reviews.
如果您有一个SOA环境，当您在评审架构时考虑性能相关问题时，您应该参考soa参考架构[1]，如图2所示。
Figure 2. The cloud reference architecture.
图2.云计算参考架构。
First, however, you need to get a reference to a new document as shown in listing 2.
但首先，您需要获取一个对新文档的引用，如清单2所示。
Listing 2. Faking out the compiler with a final reference to a one-element array.
清单2.使用对一元素数组的最终引用欺骗编译器。
Table 2 shows a partial list, for illustration purposes, of reference materials on patterns and how they map to each SOA scenario.
表2出于演示目的显示了列表的一部分，该列表列出了关于模式的参考资料和它们是如何映射到每个SOA场景的。
In the RUP, this is the desired outcome of the Architectural Analysis activity (described and outlined in Figure 2), which truly leverages the reference architecture to its fullest.
在RUP中，这就是体系结构分析活动(在图2中描述和概括)所期望的结果，它真正完全地利用了参考体系结构。
The SOA solution stack, shown in Figure 2, is an SOA reference model depicting the conceptual (high level of abstraction) view of an SOA solution.
如图2 中所示，SOA解决方案堆栈是一个 SOA参考模型，描述 SOA 解决方案的运行时概念视图。
From the JSP code in Listing 2, access to the datasource is performed by looking up a resource reference.
在清单2的JSP代码中，访问数据源是通过查找资源引用来执行的。
Fill in the information using Table 2 as a reference.
使用表2作为参考，填充信息。
The Workspace name is called out in the title bar of the repository for convenient reference, as shown in Figure 2.
工作区的名字会显示在储存库的标题栏上以便引用，如图 2 所示。
So if you need a reference source at 2 a.m., a bona fide librarian somewhere (Australia, perhaps?) is online to help.
因此，如果你在凌晨2点需要一个参考答案，总会有一位真诚的图书管理员在某个地方(可能是澳大利亚)在线为你提供帮助。
Figure 2 shows IBM's SOA reference architecture.
图2显示了IBM的SOA参考体系结构。
An SOA reference architecture is shown in Figure 2.
SOA参考架构如图2所示。
You need to define the global reference (see Listing 2) in the JSP file so that you have access to the portlet request library.
您需要在JSP文件中定义全局引用（参见清单2），以便可以对Portlet请求库进行访问。
You'll note that the reference to service was previously defined in Listing 2 and its put method is overloaded to work with both single instances and Lists.
您会注意到，对service的引用之前在清单2中定义过，并且它的put方法被超载，以同时处理单个实例和Lists。
Therefore, if the collector runs before line //2 attaches a strong reference to the re-created object, the object is lost and wr.get() returns null.
因此，如果收集器在行 //2在重新创建的对象上施加一个强引用之前运行，对象就会丢失，wr.get()则返回null 。
Using Figure 2 for reference, below is an overview of how the sample application works
参考图2，下面是示例应用程序的运行方式概览
Because it is not, thread 2 returns the instance reference to a fully constructed, but partially initialized, Singleton object.
因为实例不为null，线程2将instance引用返回给一个构造完整但部分初始化了的Singleton对象。
It is developing a completely electronic reference desk, and there will be four Kindle 2 e-readers on site.
它开发了一个完全电子化的参考桌，这里会有四台Kindle2电子阅读器。
Listing 2. Global reference to the servlet.
清单2.指向Servlet的全局引用。
As you know from "Introducing Metro," the reference implementations of the JAXB 2.x data-binding and JAX-WS 2.x Web services standards are at the core of the Metro Web services framework.
正如“Metro简介”所述，JAXB 2 .x数据绑定的参考实现和JAX - WS 2 . x网络服务规范是Metro网络服务框架的核心。
There are three kinds of charts that are supported by advanced query statistics (reference Figure 2)
高级查询统计支持三种图表（参考图2）
IBM Rational has since built a new modeling platform on the Eclipse environment, which includes an open source reference implementation of UML 2.
IBMRational已经在Eclipse环境上构建了新的建模平台，它包含了UML2的开源参考实现。
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