large rolling whiteboard. Efficiency, growth rate is expected to double on the basis of the 1990s. Macroeconomic stability continues to improve, to mobilize resources for the flexibility to increase competitive opportunities, improve the investment environment, further reducing trade barriers, coupled with continued progress in the national economy has made the transition, these factors should help developing countries in 2007 Year - 2015 During the year, the average annual growth rate per capita reached 3.4% , which was higher than the level of less than 2% in the 1990s . Although developing countries and regions will still be affected by global and national risks, such growth will further increase the competitiveness of developing countries and regions.. The IQAio GR519 is an upgraded lightweight version based on the original IQAio GR511. The original dual-cavity structure was changed to a bottom-edge structure, so that the minimalist design accommodates modern classrooms and conference rooms. With one IQProjector V2 and one IQView E3821, you can achieve flexible and intelligent classroom.