Chapter two serves as a theoretic foundation for this paper and deals with related theories.
第二章为本文的理论基础部分，论述了相关理论。
Diets that include two serves of fruit and five serves of vegetables a day should provide enough vitamin C to boost non-heam iron absorption.
一天的饮食中如果包含2种水果和5种蔬菜，应该能够提供足够的维他命C来加速非血红素的吸收过程。
Each hull of its catamarans has an underwater duct which serves two functions (see illustration).
其双体船的每面船体都有水下管道，提供两种功能(见插图)。
An IP address serves two principal functions: host or network interface identification and location addressing.
IP地址用于两个主要功能：主机或网络接口标识和位置寻址。
The taxonomy serves two purposes.
分类法用于两个用途。
Performing a full test with a snapshot of production data serves two purposes.
使用一个生产数据快照来执行一个全面测试有两个目的。
The folded solar eco-skin of the building serves two purposes - first, the envelopes provide natural air flow to the interior to minimize air conditioning.
折叠型的太阳能“皮肤”将有两重意义：首先，建筑外墙为内部提供自然的空气流动，将会把空调成本降到最低。
Eye contact is a powerful mode of communication among humans, and repeated or prolonged eye contact usually serves two main purposes: to convey interest or hostility.
眼神交流是人类的一种相当有力的交流方式，而多次、较长时间的眼神交流通常是表达两种目的：有兴趣或有敌意。
It provides a number of functions that are used by upper - and lower-level drivers and, therefore, serves as the glue between these two distinct layers.
它提供了很多可供较高层和较低层驱动器使用的函数，因而可以充当这两层间的连接层。
它主要有两个功能。
Their gathering serves as a prelude to the two-day spring meeting of the IMF and World Bank, which begins the next day.
这次会议是第二天召开的为期两天的国际货币基金组织和世界银行的春季会议的序幕。
The rail line that serves the two Paris airports was shut down, forcing arriving travelers to stand in long taxi lines.
服务于巴黎两家机场的铁路线被关闭，迫使抵达的旅客不得不排长队打的。
Under current circumstances, enhanced cooperation between China and the UK serves the common interest of the two countries and peoples and contributes to world peace, stability and prosperity.
在当前形势下，中英加强合作，不仅符合两国和两国人民的共同利益，也有利于世界的和平、稳定与繁荣。
This serves two purposes, it adds content to your site and it validates your recommendations (if they are good that is).
这又两个目的，一是可以添加内容到你的网页上，二是验证你的推荐（如果他们是这个意思）。
Deeper business cooperation serves the fundamental interests of our two countries and peoples. It is also essential to our efforts to advance our strategic partnership in an all-round way.
深化中加经贸合作，符合两国和两国人民根本利益，也是全面推进中加战略伙伴关系的必然要求。
A digital certificate serves two purposes: it establishes the owner's identity, and it makes the owner's public key available.
数字证书有两种用途：建立所有者的身份，以及让所有者公钥可用。
The class attribute that was introduced previously serves two purposes. It provides
前面介绍的 class属性可以满足这两个目的。
Let's take a closer look at Asset 5, BusinessDelegate_Service (Figure 25), which also serves as an example for the other two outstanding patterns.
让我们仔细查看一下资产5,BusinessDelegate_Service(图25)，它同时也是另外两个未完成模式的例子。
Using nonprintable characters to delineate the objects stored in view state serves two purposes.
使用非打印字符分割 ViewState中存储的对象有两个目的。
Find a workaround that serves two purposes.
寻找一个解决方案用于两个目的。
His department places two or three forensic psychiatry fellows at St. Elizabeths, which also serves as a forensic training site for general psychiatry residents.
他所在系里，两三名法医精神病学研究员在圣伊丽莎白医院工作。圣伊丽莎白医院也是普通精神病学住院医生的法医训练基地。
In the simple class diagram of Figure 1, you can see that the two classes share a few relationships (just bear with me if all this complexity seems contrived: it serves a purpose!)
在图1所示的简单类图中，可以看出这两个类有几个关系(如果这种复杂性看起来不自然，请忍耐一下；这是有意义的！)
If the average cost when a single firm serves the entire market is lower than when two or more firms serve the market, a monopoly can be the result.
如果市场上，独家厂商生产的平均价格要低于存在2家或多家厂商时的平均价格，这时就有可能产生垄断。
Traceability serves two key goals.
追溯有两个重要的目标。
June 2007: Paris Hilton, socialite, serves twenty-two days in jail for speeding, DUI, driving with a suspended license, and violating probation.
2007年6月：社会名流帕丽斯·希尔顿(Paris Hilton)因超速、酒后驾驶、驾照过期、违反缓刑条例等问题入狱32天。
The primary shelter consists of two enclosed volumes whose interstitial courtyard space serves as an extension of the program, providing a space for gathering, relaxing, and working.
该项目主要的居所由两个封闭的体量组成，间隙的庭院空间作为该方案的延伸，为聚会、放松和工作提供空间。
The unloader: The unloader that you have serves two functions, a regulator and an unloader.
减压器：你们的减压器有两个功能，作为调节器和减压器。
Is it helping you achieve any of your goals? This component of a tactic serves two purposes?
还是要完成你的任何目标？
Is it helping you achieve any of your goals? This component of a tactic serves two purposes?
还是要完成你的任何目标？
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