不过，的确有些是事情是办不到的，比如绑定80端口，或将数据写到你的应用容器之外的一个任意目录。
Certain things are still not possible, such as binding to port 80, or writing to a random directory outside of your application container.
配置HSQLDB连接属性，比如TCP端口和管理员密码。
Configure HSQLDB connection properties, such as TCP port and administrator password.
两种操作系统都支持各种物理设备端口，比如并口、串口和USB接口。
Physical device ports such as parallel, serial, and USB are supported.
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