词汇	sub-tree mapping
释义	sub-tree mapping 子树映射
随便看	third-class entity third classes third-class failure of satellite third class flexible cord third-class highway third classification theorem third class insulated wire third class lever third-class lever third-class mail third -class mail third-class mails third-class matter third class medical metrology station third-class medical metrology station third-class object third-class objects third class paper third-class paper third class power lightning protection third class pressure vessel third class risk sources Third-Class Scholarship for Excellent Student third-class servicing station third class sleeping carriage