Passive Optical Network (PON) and Active Optical Network (AON) are two kinds of technologies that can be used to construct the Optical Access Network.
当前用于实现光接入网的技术主要有两种：无源光网络技术PON和有源光网络技术AON。
Passive Optical Network (PON) and Active Optical Network (AON) are two kinds of technologies that can be used to construct the Optical Access Network.
当前用于实现光接入网的技术主要有两种：无源光网络技术PON和有源光网络技术AON。
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