选中该选项为容器管理持久性启用数据源。
Check the option to enable the data source for container-managed persistence.
取消选中该选项后，会发生下列操作。
When this option is cleared, the following actions take place.
选中该选项，则会使用最适合移动设备的选项来初始化项目。
Selecting this option initializes the project with options that work best for mobile devices.
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