If your table name is compatible with the naming conventions, then you don't even need to define a model class to map it to.
如果表格的名字与命名规则是一致的，那你就不用定义模型类来映射了。
If your table name is not compatible with ActiveRecord naming conventions, then you need to explicitly map it using set_table_name inside your model class definition.
如果你的表格名与ActiveRecord命名规则不一致，你需要用set _ table_name强制把它加到模型类的定义中。
If you need to modify the properties for a message, for example when the message set information for source and target is different, you can do so more simply by using Map by Name.
如果您需要修改消息的属性，例如在源和目标的消息集信息不同的情况下，您只需使用Map byName即可。
If you need to cache more than a single object, you might use a Map, but you have a choice as to how to employ soft references.
如果需要缓存不止一个对象，您可以使用一个Map，但是可以选择如何使用软引用。
If you need help, select your ship and choose the help option or use the help option on the world map screen.
如果您需要帮助，选择您的船并且选择帮助选项或使用帮助选项在世界地图屏幕。
Teleport Temple: Even if you do not pick this map, you need to be prepared for it.
宇宙空间旅行庙︰即使你不挑这张地图，你需要为它作准备。
Alternatively, if you need on-the-spot location, you can view a map from the device itself through the My location option.
另外，如果您需要在现场的位置，您可以从设备本身通过我的位置选择一张地图。
Alternatively, if you need on-the-spot location, you can view a map from the device itself through the My location option.
另外，如果您需要在现场的位置，您可以从设备本身通过我的位置选择一张地图。
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