实体对象代表数据模型。

Entity objects represent the data model.

youdao

物理数据模型是数据库特定的，代表数据库模式。

Physical data models are database specific and represent the database schema.

youdao

实体bean代表数据库中的一张表empbean。

The entity bean represents a table, EMPBEAN, in the database.

youdao

If we're going to write programs, we need at least two things: we need some representation for fundamental data.

如果我们要去写程序，我们需要至少两件事情：,我们需要一些能代表基础数据的东西。

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so that means that hidden in there is the idea that these people who are creating these statistics are costing us all a lot of money.

这里隐含的一个观点是,这些统计数据代表的人们,花费了国家大量的资金

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And then LLD, we'll see in a moment, this is for particularly long numbers which will become relevant especially as you're trying to process lots of information.

然后是lld，我们等会就会看到，这个代表长整型数据,它是相当重要的，特别是当你需要,处理大量信息的时候。

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