PDO stands for physical device object.
PDO代表的物理设备对象。
PDO stands for physical device object. The bus driver USES this object to represent the connection between the device and the bus.
PDO代表的物理设备对象。总线驱动使用这个对象来描绘介于设备和总线之间的连结。
The first level consists of the performance object, which is a unit that can model a physical device or abstract component in a system.
第一级包括性能对象，它是可以为物理设备建模，或者抽象系统中组件的单元。
The first level consists of the performance object, which is a unit that can model a physical device or abstract component in a system.
第一级包括性能对象，它是可以为物理设备建模，或者抽象系统中组件的单元。
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