middle field layer
常见例句
- The middle layer is composed of the field control unit device PLC with Ethernet interfaces.
中间层由带以太网接口的现场控制单元设备PLC组成； - Core middle layer complicate the physical naming of metadata, state of resources, the definition of mapping relation as well as the basic field of metadata structure.
组织层属于两类元数据关系配置层，通过不同映射关系的配置可以提供应用层对突发事件应用元数据构建的策略。 返回 middle field layer