Fill in the blank with one of the following 8 words:app, collection, device, process, rule, science, simulation, term A bar code reader is an input ______ to read the information of bar codes.
【简答题】Who are the top students in the world, do you know? Last week the Organization for Economic Co-operation Development (经济合作与发展组织) picked the best students in the world. They are Finnish (芬兰的). The OECD...