但是，在很多情况下，重要的实体是一个记录的一个子集，或者跨多个表，需要通过公共键链接数据。
However, in many cases, an entity of importance is a subset of a record, or spans several tables and requires data to be joined through a common key.
某些数据元素或域本身或它们的组合对于理解整个记录或实体非常关键。
Certain data elements or domains either by themselves or in combination are critical to the understanding of an entire record or entity.
保存在数据存储中的每一条记录，即实体，都需要有一个主键。
Each record saved in the datastore, also called an entity, requires a primary key.
不同版本的J2EE应用程序组件(例如访问相同外部数据库的实体bean)在修改相同的数据表或数据记录的时候会存在同步问题。
Multiple versions of J2EE application components, such as entity beans that access the same external database, could have synchronization issues while modifying the same table or row.
persist方法将实体bean存为与之对应数据表的一条记录。
The EntityManager.persist method saves an entity bean object as a row in its mapped relational table.
嵌入式GIS地图数据是分幅、分块记录和存储的，物理完整的面状地理实体在切割边界会产生缝隙。
The data map is stored according to sheet or block in embedded GIS system, thus causing seam in the cutting-border for physical integrate area feature.
这样可以更准确地表示实例化的实体类映射到单个数据记录的事实。
This is done to more accurately represent the fact that the instantiated entity class maps to a single record of data.
数据仓库中相似重复记录的识别与消除是数据清洗的热点问题，其中地址类信息对相同实体识别起着非常重要的作用。
Its a hot issue to eliminate approximately duplicated records in data cleansing operation of data warehouse, in which the address information play an important role to identify the same entity.
所以当每笔数据或是每一分析单位被储存在一笔实体记录时这种档案结构就称为”逻辑记录长度”。
Thus, when the data for each case or unit of analysis is stored in a single physical record, the file structure is called "logical record length."
所以当每笔数据或是每一分析单位被储存在一笔实体记录时这种档案结构就称为”逻辑记录长度”。
Thus, when the data for each case or unit of analysis is stored in a single physical record, the file structure is called "logical record length."
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