森林里的日光质量随着植被密度、太阳照射角度和天空云层数量变化而变化。
The daytime quality of light in forests varies with the density of the vegetation, the angle of the Sun, and the amount of cloud in the sky.
分层数据结构可很好地映射为文档。
他首先查看底层数据库汇总表。
两层数据仓库设计的好处包括。
提高了对底层数据的访问效率。
当底层数据改变时，可以重新生成它。
When the underlying data changed, it could simply be regenerated.
层数太多也会使We b页加载过慢。
几年之后，他逐渐将层数扩展到了七层。
底层数据的质量分析已经成功地完成了。
The quality analysis of the underlying data has been successfully completed.
您应该根据搜索所需的粒度来选择层数。
You should pick the number of tiers you need based on how fine-grained you want to make your search.
过多的访问底层数据库。
如果你已经习惯了，那么增加爬楼梯的层数。
As you get used to it, increase the number of floors you use the stairs for.
这意味着用户不能直接访问底层数据库对象。
This does not imply that the user has direct access to the underlying database objects.
它看上去像一个视图，并且底层数据不存在重复。
It is like a view; there is no duplication of the underlying data.
在更坏的情况下，底层数据的完整性可能被破坏。
In a worst-case scenario, the integrity of the underlying data could be compromised.
它们依靠SQL查询来操纵底层数据并提供输入。
They rely on SQL queries to manipulate the underlying data and provide input.
该标注执行类名与底层数据库表之间的实际映射。
This annotation performs the actual mapping between the class name and the table in the underlying database.
当用户进入表单的其他部分时，再获取底层数据。
As the user goes through other parts of the form, the underlying data can be fetched lazily.
单击Datasources配置底层数据源。
Click on data sources to configure the underlying data source.
相反，他们倾向于使用窗体与底层数据库数据交互。
Rather, they tend to use forms to interact with underlying database data.
描述关系的每个链接转化成分层数据中的一个列表。
Each link that describes a relation turns into a list in the hierarchical data.
这是JPA的中心类，并提供对底层数据库的访问。
This is a central class in JPA and provides access to the underlying database.
该软件分析文件中的数据并将其保存在底层数据库中。
The software analyses the data in the files and places this in an underlying database.
它是一个组件，用户可以使用它来更改底层数据模型。
It is the component that a user can manipulate to change the underlying data model.
其缺点在于会减少对弹出窗口布局和底层数据的控制。
The disadvantage is that you have less control over the layout of the pop-up and the underlying data.
程序集数据模型用于描述贯穿程序集步骤的分层数据。
The assembly data model is used to describe the hierarchical data that flows through the assembly steps.
这一切都没有改变底层数据，只是调整了显示方式而已。
This was all accomplished without changing the underlying data, just the presentation.
但HQL的确可以让你直接向底层数据库传递本地查询。
But HQL does enable you to pass native queries to your underlying database.
对底层数据库对象的访问只能通过包中的特定语句进行。
The only access to the underlying database objects is through the specific statements in the package.
要实际修改底层数据源，仍然需要一些用户定义的代码。
To actually modify the underlying data source, some user-defined code is still required.
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