Nan hai guan cha neng li ke wai xun lian/ Nan hai guan cha neng li ke wai xun lian = Nan hai chuang yi neng li ke wai xun lian/ Nan hai chuang yi neng li ke wai xun lian = Nan hai guan cha neng li ke wai xun lian/: The boys' book of observation, Nan hai guan cha neng li ke wai xun lian =: The boys' book of observation/ Chao hai guan shi liao hui bian/ Gan bu su zhi yu neng li xun lian/ Xian dai guan li ke xue ci dian/ Nan hai guan cha neng li ke wai xun lian =: The boys' book of observation /