... time, never excursion; Mao’s hardness test is 7-grade; single-point touch for 50 million times; the response ... Audio Output Port; Integrated sound card, integrated network card; dual graphics card; Intel® Atom TM CPU, 1.6GHz; ... system, shopping malls, hotels, airports, gas stations, railways stations, post offices, telecommunications, banks, medical institutions, museums, exhibition halls, offices ...