因为它们的主要用途不是功能性的，所以它们只在制造材料方面受到限制。
Because their primary purpose is not functional, they are only limited in terms of the materials used to make them.
因为音乐演奏比起演讲来说，更需要回声，所以我们必须考虑房间的主要用途。
So we'll have to take into account what the room will be mainly used for, since music requires more reverberation than speech.
在选择最能促进课堂学习的评分方法时，教师应具有很大的自由度；毕竟，这是成绩的主要用途。
A teacher deserves wide latitude in selecting the method of grading that best promotes learning in her classroom; that is, after all, the prime function of grades.
其主要用途之一是作为食品及糖果包装膜。
One of their major USES is as packaging films for food and confectionery products.
下面简要介绍这些模式的主要用途和典型的使用场景。
Now each of these patterns will be sketched to provide insight into their major purpose and typical use case scenarios.
通常，信号的主要用途是同步某个线程与其他线程的动作。
Usually, the main use of a semaphore is to synchronize a thread?s action with other threads.
产品的主要用途是餐具用品、日用品、装饰品等。
Products are mainly used for tableware supplies, daily necessities, accessories and so on.
燃料电池有三种主要用途：运输工具、携带用电源、固定装置。
Fuel cells have three main applications: transportation, portable USES, and stationary installations.
它们的主要用途是以受控制的方式向业务对象公开封装的数据。
Their main reason for existing is to expose the encapsulated data to the business objects in a controlled fashion.
在银行业务中，电子计算机主要用途之一是处理支票。
One of the major uses of computers in banking is in handling of cheques.
这个回调函数的主要用途是处理PAM服务抛出的所有询问。
The primary purpose of the callback function is to allow you to handle all the challenges thrown your way by the PAM service.
其次，JAXP的主要用途是在处理解析器时提供开发商独立性。
Second, a major purpose of JAXP is to provide vendor independence when dealing with parsers.
并分析了每一大类观赏特性，园林配置特点和主要用途。
Ornamental characteristic, garden disposal, and the main USES of each kind of bamboo are analysed and studied.
报表组件的主要用途是提供团队或项目的操作、行为和进度感知性。
The primary purpose of the reports component is to provide an awareness of the actions, behaviours and progress of a team or project.
其主要用途是为自卫、武器、对抗和除障系统提供作战用车载电源。
Its primary purpose is to provide enough on-board power to operate significant self-defense, weapon, countermeasures, and route-clearing systems.
而这个军事基地的主要用途就是为了进行飞机和武器系统的研发测试。
The base’s primary purpose is to support development and testing of experimental aircraft and weapons systems.
主要用途是将叠加在直流电流上的交流分量限定在某一规定值。
The main purpose is to direct current superimposed on the exchange of a specified weight limit value.
示功图的主要用途之一是诊断泵是怎样运行的和分析井下问题。
Indicator diagram, one of the main purposes is to diagnose how the pump is running and analysis of the problem underground.
这是Overdisk的主要用途，不过让我们浏览一下剩下的菜单选项。
That is the main purposes of Overdisk but let's go through the rest of the menu options as well.
Web 2.0的主要用途是用许多新方法连接人员，并利用集体的智慧。
The main agenda of Web 2.0 is to connect people in numerous new ways and utilize their collective strengths.
FHS的主要用途是为应用程序提供一个能找到标准配置文件的通用位置。
The main purpose of the FHS is to provide applications a common location to find standard configuration files.
Cookie的主要用途是存储认证和会话信息、您的信息以及您的首选项。
The primary use of cookies is to store authentication and session information, your information, and your preferences.
因为包装器的主要用途是封装业务数据，所以可以用XML数据模型替换它们。
Since the main reason to have the wrapper objects was to encapsulate business data, they can be replaced with an XML data model.
在振藩截拳道里使用木人桩训练的一个主要用途就是训练桥手技术。
One of the main USES of the mook jong in Jun Fan Jeet Kune Do is to train trapping hand techniques.
其主要用途包括矿石加工，化肥生产，石油炼制，废水处理和化学合成。
Principal USES include ore processing, fertilizer manufacturing, oil refining, wastewater processing and chemical synthesis.
XDoclet在J2EE环境中的主要用途是根据源代码自动生成部署描述符。
The main use within a J2EE context is automatic generation of deployment descriptors based on your source code.
能源的主要用途之一就是给用户提供电力、采暖(卫生热水)和制冷等。
One of the main USES of the energy is to provide user with electricity, heat (bath-water) and cool.
cache的主要用途是重用前一次处理得出的结果以减少服务时间和增加吞吐量。
The primary purpose of a cache is to reduce service time and increase throughput by reusing the results of a previous computation.
主要用途为白色或粉红色的甜酒，但是它也用于果汁生产和销售，以及新鲜。
Primary usage is for white or pink dessert wines, but it is also used for juice production and marketed fresh as well.
主要用途为白色或粉红色的甜酒，但是它也用于果汁生产和销售，以及新鲜。
Primary usage is for white or pink dessert wines, but it is also used for juice production and marketed fresh as well.
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