因此，服务学习和21W . 747自然关系密切。
服务学习是一种将学业学习和社区服务有机结合的教育理念和教育实践方法。
Service learning is an educational concept and practicing way which combines service and learning organically.
理念、制度、方式、机构，组成了本文研究服务学习运行机制的几个关键部分。
Concept, regulation, mode and organization make up the key parts while studying.
服务学习曲线会对重用价值造成影响，因此，这也是项目团队要考虑的因素，以确定是进行重用，还是重新编写代码。
The services learning curve takes away from reuse value and is thus a factor for project teams in deciding whether to reuse or to instead reinvent.
服务学习最主要的特征包括：明确而真实的学习目标、适应真实的社区需要、儿童做决定以及分析性反思。
The main characteristics of service-learning are: articulated and authentic learning goals, responsive to genuine community needs, children decision making, and analytic reflection.
也许这么多大学给学生提供的服务太少的原因是：他们知道，即使什么也学不到，在顶尖大学学习仍然是一项明智的投资。
Perhaps the reason why so many universities offer their students so little is they know studying at a top university remains a brilliant investment even if you don't learn anything.
在叙利亚，该组织帮助了200多万儿童，提供了食物和其他用品，还为孩子们提供了学习和获得心理健康服务的安全空间。
In Syria, the organization helped more than 2 million children, providing food and other supplies, as well as safe spaces for children to learn and get mental health services.
每个人都有一个或者更多的别人准备付钱让他们以服务或者学习形式提供的技能。
Every person has one or more skills other people are prepared to pay for in the form of a service provided to them, or to learn.
费城正在学习如何更有效地提供服务。
Philadelphia is studying how to deliver services more efficiently.
学习使用服务跟踪工具可以节省你的时间。
Learn to use the service trace utility - it will save you time.
有两个主要的类需要了解以学习这些服务的设计模型：会员类于角色类。
There are two main classes you'll want to examine to learn the programming model for these services: Membership and Roles.
在回答这些问题之前，我们需要学习出站服务的创建。
Before answering, we need to study outbound service creation.
郊区的轨道交通和公交车也开始学习地铁，提供女性专用服务。
The suburban railway and buses have followed the metro in providing women-only services.
外包服务则让中小型企业可以通过完全外包数据中心基础设施的方式提供服务（比如，远程学习）。
Outsourcing services allows small and medium-sized business to provide services on a subscription basis by completely externalizing their data-center infrastructure (for example, distance learning).
案例学习：数据质量服务实例。
学习如何构建Web服务，禁止对私有和公共方法进行Web访问？
Learn how to construct Web services that protect both private and public methods from Web access.
学习Linux密钥保留服务最容易的方式就是进行实践。
The easiest way to learn about the Linux key retention service is to try it out.
学习Linux密钥保留服务最容易的方式就是进行实践。
The easiest way to learn about the Linux key retention service is to try it out.
应用推荐