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https://sourceforge.net/p/industry-reports-2017-part1/code/ci/master/tree/2017Q1%E4%B8%AD%E5%9B%BD%E6%89%8B%E6%9C%BA%E6%B5%8F%E8%A7%88%E5%99%A8%E5%B8%82%E5%9C%BA%E5%AD%A3%E5%BA%A6%E7%9B%91%E6%B5%8B%E6%8A%A5%E5%91%8A.pdf?format=raw