单词	周边操作
释义	周边操作peripheral operation
随便看	digital cartographic data digital cartographic database digital cartographic data standard digital cartographic interchange format digital cartographic model digital cartography digital cartridge digital cart system digital cash digital cassette digital cassette recorder digital cellular digital cellular base station digital cellular phone digital certificate digital certification digital chain system digital channel digital character digital chart digital chart of the world digital chart of the world{=dcw} digital china digital circuit digital circuit applications of ic technology