1983 to 1988, making up almost a decade of IBM's efforts and very few sales.
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They also need to test the technology to bring the material back to Earth.
For years, edtech was positioned as the solution, with school districts across the country rolling out laptops and tablets to students. But according to neuroscientist and former teacher Jared Cooney Horvath, the approach may have backfired.，这一点在体育直播中也有详细论述
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