A base class is great for defining common functionality, but you must make sure that each data element defined is truly necessary.
基类可以很好地定义常见功能，但是您必须确保所定义的每个数据元素都是真正需要的。
A common (canonical) UML class model of the main data items (the business entities) and their relationships.
主要数据项(业务实体)及其关系的通用(规范的)uml类模型。
All the custom JMS data bindings have a common super class, called AbstractJMSDataBindingImpl, which implements some common functionality; for example, methods for exception handling.
所有自定义JMS数据绑定都具有一个称为AbstractJMSDataBindingImpl的公共超类，这个类实现了一些公共的功能，比如，进行异常处理的方法。
Having classified the attack information of the attacked objections, one can create the signature of the intrusion data in the same class with LCS (longest common substring) algorithm.
并根据目标对攻击信息进行分类，用LCS算法在同类攻击数据中生成网络病毒的特征。
CAI bearings are of motor class bearings and the common tolerance is shown on the attached data sheet.
CAI轴承一般为电机级轴承，最常用的轴承公差精度见附表所示。
CAI bearings are of motor class bearings and the common tolerance is shown on the attached data sheet.
CAI轴承一般为电机级轴承，最常用的轴承公差精度见附表所示。
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