单词	關窗戶
释义	同CLOSE
随便看	data structures language data structure standard data structure theory data structure tree data structuring rule data sub-category data subentry data subfield data subject area data subject group data sublanguage data submodel data subset data suit data superhighway data switch data switch equipment data switching data switching center data-switching center data switching exchange data switching--exchange data switching exchange (dse) data switching exchange，dse data symbol