These packages provide additional domain-specific features of the Androidplatform. They are not necessary for basic application development.
这些包为Android平台提供额外的与特定领域有关的特性，开发基本的应用程序不需要它们。
This is the set of facilities that provides users and IBM Support with an insight into the runtime that is necessary for basic problem determination.
这一工具集向用户和IBM Support提供深入了解运行时的能力，这种能力在确定基本问题时是必需的。
This creates a problem for the basic running of the hospital: without the necessary materials, how can you save lives?
这对医院的基本运转造成了问题：没有必要的材料，你怎么能够拯救生命？
The basic food groups provide the nutrients necessary for good health and daily activity.
基本食物组合可以为健康和每日活动提供必需的营养。
It is helpful (but not necessary) for you to be familiar with basic concepts of security such as private and public keys, signatures, and encryption.
熟悉安全的基本概念(比如私钥和公钥、签名、加密)会有帮助，但不是必需的。
In other words, basic science is a necessary but not sufficient condition for remaining industrially competitive.
换句话说，保持工业强大的竞争力，基础科学是必须的，但并不是全部。
Supports epidemiological translational clinical and basic science research necessary for evidence-based global climate change policy decisions related to health care and treatment.
支持流行病临床基础研究，这对与医疗和治疗相关的有一定依据的全球气候变化的决策制定很有必要。
These provide the underlying messaging, description, and discovery framework basic to all web services and the message-level security characteristics necessary for many B2B integration scenarios.
这些规范提供了基础消息传递、说明和发现框架，用于所有Web服务和很多B2B集成场景所必须的消息级安全特征。
This section briefly lists the basic steps that are necessary for role-based staffing to function properly, using the commonly used LDAP security enablement.
本部分使用最常用的LDAP安全支持简要列出了基于角色的人员分配功能正确发挥作用所必需的基本步骤。
To lay out the classes necessary for our portlet we can follow the basic Model-View-Controller pattern that is recommended by the framework.
为展示我们的portlet必需的类，我们可以遵循这个框架推荐的基本模型-视图-控制器(Model - View - Controller)模式。
If you've been following the examples and experimenting with the code in this series, you have built the basic skill-set necessary for using any OODBMS system, not just db4o.
只要跟随本系列的示例并试用了其中的代码，就会获得使用任何OODBMS系统(不只是db4o)的必备技巧。
Special arrangements may be necessary, however, to respond to initial needs for adequate quantities of basic drugs and strict control of unsolicited donations.
但是在最初，为了满足对于足够基本药物数量的需求，以及保证对未经要求的主动捐赠品的严格控制，可能需要特殊安排。
Such money would be better spent on more urgent matters, for instance, building up the basic infrastructure, which is necessary for economic growth.
这样的金钱更应该花在紧急事件上，例如，在经济增长中建立基础的结构组织是非常重要的。
Some people have criticized the use of the BASIC Four because it does not insure that all nutrients necessary for good health will be eaten.
有些人批评四基础是因为它并不能保证对健康有益的所有必需营养素的摄人。
It is necessary for establishing the basic contents and rules of modern justice to comprehend completely these bases.
完整地理解与把握现代公正的各项依据，是确立现代公正基本内容与基本规则的必要条件。
It is necessary to drop the infection efficiency by over 85% through protection measures for reducing the basic reproduction rate below the critical level.
防护措施必须使感染效率下降85 %以上，才能使医院内传播的基本繁殖率降至临界值以下。
The USB basic character and common USB device protocol which is necessary for embedded USB host system developing is introduced detailed.
本文详细介绍了嵌入式USB主机系统开发需要考虑的USB基本特性和USB设备的通用协议。
And it is necessary to study the key technology for constructing the basic Web-oriented mechanical courses to guarantee teaching quality and realize the Web-oriented education.
为了保证教学质量，实现机械基础系列课程的网上教学，必须对网络课程建设关键技术进行研究。
The ability to produce is limited by the availability of the basic ingredients necessary for production.
生产的能力要受到生产所必须的基本构成要素供给的限制。
Therefore, it is quite necessary for history teachers to enhance their training in basic skill in teaching language art.
因此，历史教师有必要加强教学语言艺术的基本功训练。
This is for any school the most basic moral requirement and no directive is necessary.
这是作为任何一间学校最基本的道德要求，不需要甚么指引。
Some basic necessary and sufficient conditions for the existence of various inverses of a row-column-finite infinite matrix a over a field K are proved by compactness arguments.
用紧致性论证给出了任一域k上行列有限的无限方阵a具有各种逆方阵的基本的充分必要条件。
In my view, comparison is a basic and necessary way for humans to learn and communicate.
我认为比较是人类学习和交流的基本必要手段。
The experiment result in this paper provides the necessary basic data for the development of the products of Coal-amber.
文中实验结果对煤珀的产品开发提供了必要的基础数据。
The modification of iron based sorbent and investigation of performance can provide necessary basic data and theoretical basis for industrialization.
对其进行改性及性能的考察可为工业化应用提供必要的基础和理论依据。
If any country wants to join in the world economic system, the language communication is necessary. English as the basic language has been the basic tool for going into the international world.
在与世界接轨的过程中语言交流必不可少，而英语作为与其他国家之间交流的基本语言，已成为我们步入国际化世界的基本工具。
The design of form and legend is the basic and necessary work to map-making for every special theme, also the key of standardization and automation for karst hydrogeology maps.
图式图例的设计是每项专题制图工作必不可少的基础工作，也为制图工作实现标准化、自动化的重要环节。
This has made it necessary for modern citizens, especially young college students, to have basic law cultivation.
必备的法律素养，已成为现代市民特别是青年大学生立足社会的基本要件。
A large amount of functions necessary for analysis of the current and previously income quotes, as well as basic arithmetic and logic operations are included in MQL4 structure.
大量的必要的分析现在和以往收益数据的函数，以及一些基本的算法和逻辑操作均包含在MQL4当中。
A large amount of functions necessary for analysis of the current and previously income quotes, as well as basic arithmetic and logic operations are included in MQL4 structure.
大量的必要的分析现在和以往收益数据的函数，以及一些基本的算法和逻辑操作均包含在MQL4当中。
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