url从一个哈希映射表中获取值。
映射表遵循一套易于遵循的简单准则
The mapping table follows a simple set of principles that are easy to follow
table属性指定类的映射表
The table attribute specifies the mapping table for that class
已排序的映射表显示如下。
所以在这里我们不需要指定目标类的映射表。
So we do not need to specify the target class mapping table here.
注意：您会注意到链接的映射表中的额外元素。
为使输入适应于输出结构，映射表用作最后一步。
The mapping table is used as the last step in adapting the input to the output structure.
标签的属性指定了要映射的类，以及它的映射表。
The tag's attributes specifies the class being mapped, and its mapping table in the database.
每一个映射表达了数据源结构的目标结构的建立规则。
Each mapping expresses the rule of creation of target structure from the source structure.
标签指定了映射表的列的名称，而不是映射表的名称。
清单6修改了代码，以传递代表路线属性的哈希映射表。
Listing 6 changes the code to pass a hash map representing the attributes for a trail.
一个允许将当前表中的列映射到被映射表的主键列的表格。
A grid that allows the mapping of the columns in the current table to the primary key columns in the mapped table.
要获得有意义的结果，需要为产品ID应用一个名称映射表。
To get meaningful results, apply a name-mapping table for the product IDs.
映射表不允许您更改输入结构中列表的维数来匹配输出结构。
The mapping table does not allow you to change the dimensionality of the lists in the input structure to match the output structure.
这个哈希映射表接口对于在测试框架中指定对象而言非常有用。
This hash map interface is quite useful for specifying objects within a testing framework.
colum n属性指定当前类的映射表与目标类用作外键的列。
The column attribute specifies the column in the mapping table for the owning class that is used as the foreign key to the target class.
映射表是一种常见的构造，允许您将一个分层结构映射到另一个中。
The mapping table is a common construct that allows you to map one hierarchical structure to another.
在您指定名称、源文件和转换的目标之后，您就可以定义映射表了。
After you've specified the name, source, and target for the transformation, you can define mapping.
释放空间使底层操作系统减小对交换空间的许求并且重用内存映射表。
Releasing space allows the underlying operating system to cut down on swap space requirements and reuse memory mapping tables.
在实际中，该哈希映射表只有一个针对控制器动作的元素：time。
In practice, the hash map has only an element for the controller action: : time.
这些值通过表单映射表(Forms Map Table)来设置。
如果映射表中此列于这个类的属性名相同，column属性可以省略。
The column attribute can be omitted if the column in the mapping table has the same name as the class property being mapped.
我们可以基于上面的映射表格快速地定义一些初始规则，如清单4中所示。
We can quickly define some initial rules based on the mapping table above, as Listing 4 shows:.
ARP映射表确保该设备不会向它已经通讯过的设备重复发送ARP请求。
The ARP table ensures that the device doesn't have to repeat ARP Requests for devices it has already communicated with.
使用水、窗子、镜子或任何其他反射表面，就能将图像改变为一幅艺术作品。
Using water, Windows, mirrors or any sort of reflective surface can change an image into a work of art.
商品的名称可以通过一个名称映射表添加，该表包含商品 id及相应的描述。
The item names can be added with a name mapping table which contains the item ids and a corresponding description.
这里我们好像忘记了一点东西，我们指定了目标类，但是没有指定目标类的映射表。
Note that there appears to be something missing: We specified the target class, but not its mapping table!
如果你管理着一个小型网络，你或许可以试试使用静态ip地址和静态ARP映射表。
If you manage a small network, you might try using static IP addresses and static ARP tables.
如果你管理着一个小型网络，你或许可以试试使用静态ip地址和静态ARP映射表。
If you manage a small network, you might try using static IP addresses and static ARP tables.
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