The floating service address must span two or more discrete hardware instances in order to continue operation with the loss of one physical machine.
浮动服务地址必须跨越两个或多个离散的硬件实例，以便在一个物理机器连接丢失的情况下继续操作。
If the Address input is greater than 0 and less than 10000 then the data type is for discrete outputs.
如果输入的地址在0-10000之间则访问的数据则数据类型为离散量输出。
Each column stores one data element, such as a first name, one line of an address, a price, or any similar discrete unit of information.
每列存储一个数据元素，例如名字、一行地址、价格或者类似的任何一种离散的信息单元。
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