id

Xi'an Satellite Control Centre's technological team || underwent || 60 days of intense struggle, + conquering || many technical difficulties, + successfully removing || malfunctions from the Beidou Navigation Experimental Satellite. 
P11J+XY10*21J+XY10*21J

<root><S connect="" sc="P11J" format=""><Chunk cat="0" role="PB" role_format="" red="" plug=""> Xi'an Satellite Control Centre's technological team </Chunk><Chunk cat="0" role="P11" role_format="EK" red="" plug=""> underwent </Chunk><Chunk cat="0" role="PC" role_format="" red="" plug=""> 60 days of intense struggle, </Chunk></S><S connect="6" sc="XY10*21J" format=""><Chunk cat="0" role="XY10" role_format="EK" red="" plug=""> conquering </Chunk><Chunk cat="0" role="YC" role_format="" red="" plug=""> many technical difficulties, </Chunk></S><S connect="6" sc="XY10*21J" format=""><Chunk cat="0" role="XY10" role_format="EK" red="" plug=""> successfully removing </Chunk><Chunk cat="0" role="YC" role_format="" red="" plug=""> malfunctions from the Beidou Navigation Experimental Satellite. </Chunk></S></root>