3、In addition, with the maturity of ADSL technology, direct use of PON as terminal access equipment in FTTH is not so popular as ASDL applications.
1、An ASDL document contains a list of available LSIDs and their corresponding data and metadata locations.
2、一个ASDL文档包括一个可用的LSID及相应数据和元数据位置的列表。