You use the active record pattern to wrap relational database persistence methods in domain classes.
活动记录模式则可用来在域类内包装关系数据库持久性方法。
If the relationship between the two classes were one of reference rather than of inheritance, then the error would be thrown on the first active use of a, rather than during the loading of a.
如果两个类之间的关系是引用关系而不是继承关系，那么会在第一次使用a时抛出错误，而不是在装入a时抛出。
It contains information about the Active Directory schema, which in turn defines the different object classes and attributes within Active Directory.
它包含有关ActiveDirectory架构的信息，该信息又定义了Active Directory内不同的对象类和属性。
You can also check out fun, free and physically active events in your neighborhood such as discounted ticket days at your local museums or Samba classes at a neighborhood Latin restaurant.
你可以在自己周围找到有趣的，免费的锻炼活动，比如在当地博物馆或周围拉丁餐馆的桑巴舞班找到打折的打折时段。
Other, less-widely supported pseudo-classes include: first-child, : link, : visited, : active, and: focus and: lang. Note that a pseudo-class can be applied to a specific element type, like this.
还没有得到广泛支持的其他伪类包括：first - child、：link、：visited、：active、：focus和：lang。
You should be active to show off what you've learnt in classes.
在课堂上你应该积极展示你所学的东西。
Withjust over a week to go before classes begin, she has two active campaigns going.
秋季班开始的一周前，她就发起了两个项目。
We all like his classes, for he is always very active and has many ways to make his lessons lively and interesting.
我们都喜欢他的课，因为他总是很活跃，有很多方法使他的课生动有趣。
The first, the Oral English Test can encourage the teachers to improve their communication skills in English and make their classes more active.
首先，英语口语测试可以促使老师提高自身的英语交流能力，让他们的课堂更加活跃。
Galaxies can be divided into two classes: normal galaxy (NG) and active galaxy (AG).
星系通常分为正常星系(NG)与活动星系(AG)两类。
Classes to become a united, active, and has a good learning atmosphere for the whole class is the role of a small cadre considerable.
要使班级成为团结、活跃，具有良好学习氛围的整体，班级小干部的作用是相当大的。
The number of active hydrogen atoms attached to nitrogen atom of different classes of amine determine their effectiveness in extraction of metals by solvation.
根据与氮相连结的活性氢原子的多寡与有无，讨论了伯、仲、叔胺类溶剂化能力的强弱。
Teachers only transfer knowledge in classes, while the students lack active participation , and the result is that it's difficult to transform knowledge into ability.
教师仅通过课堂传播知识，学生缺乏主动参与，其结果知识很难转化为能力。
We consider research for the security properties of information flow of active network as properties of the inheriting class inner flow and flow among different inheriting classes.
继承类内的信息流安全特性可以使用传统的信息流研究方法，继承类间的信息流安全特性则使用基于流的概念进行研究。
It is clear that students like those classes more active mode, there are more opportunities for discussion of the bias liberal arts-type subjects.
很明显，同学们喜欢那些上课模式比较活跃，有较多讨论机会的偏文科式的科目。
Her classroom management is meticulous and orderly. The classes she is in charge of were both active and positive and the civilization etiquette education effect was outstanding.
班级文明礼仪教育效果突出，多次被幼儿园评为“博雅教育效果突出”班级和“优秀班集体”及“优秀班主任”。
Classes of stock are thousands, but the most active is the ones listed on the New York stock Exchange.
股票的种类数以千计，但买卖最活跃的通常是在纽约证券交易所上市的股票。
The MFC classes provide enough functionalities for changing the main frame menu bar accordingly to the current active child frame.
为了依照当前活动子框架而改变主框架菜单栏，MFC类提供了充足的函数功能。
Next, create the classes in your app that will use the active record pattern to model a database table.
接下来，创建在应用程序，将使用该活动记录模式模型数据库表中的类。
The major classes of endocrine active chemicals are discussed, as well as methods for their detection and their association with health disturbances in humans and wildlife.
内分泌的主要的种类活跃的化学制品被讨论，和在人和野生动物里的他们察觉和他们与健康骚动的合作的方法。
The recourses of Active Network are divided into several classes according to their significance.
同时将节点的资源按等级划分，不同级别的访问权限分配给不同的角色；
The Yangge classes active in Fenyang and Xiaoyi was no less than 20, but now there is only one.
当时活跃在汾阳和孝义两地的秧歌班不下二十个。
We all like his classes, for he is always very active and has many ways to make his lessons lively and interesting.
我们都喜欢上他的课，因为他总是很活泼，有很多方法使他的课上的生动有趣。
I finally realized how important it is to speak up and be active in classes, so that professors would remember me and know me more.
最终，我认识到了在课上发言和踊跃参与的重要性，因为这样，教授才会记得我，更多地认识我。
Then the main results in robust fault-tolerant control of nonlinear systems are introduced in two classes: passive and active;
然后分被动式和主动式介绍了非线性系统鲁棒容错控制的研究现状；
Is your child the type who thrives in classes with small-group discussions where active participation and hands-on learning take priority? Then your child might want to consider a small college.
你的孩子如果是那种喜欢小组讨论式的、每个人都能参与其中的教学方式，那你的孩子可能更适合去小型学校。
Is your child the type who thrives in classes with small-group discussions where active participation and hands-on learning take priority? Then your child might want to consider a small college.
你的孩子如果是那种喜欢小组讨论式的、每个人都能参与其中的教学方式，那你的孩子可能更适合去小型学校。
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