Based on the sequence forecast theory of grey system, a forecast model is established for the ground subsidence caused by exploitation in No. 1 Coal Mine of Xinfeng Coal Mining Bureau.是什么意思_Based on the sequence forecast theory of grey system, a forecast model is established for the ground subsidence caused by exploitation in No. 1 Coal Mine of Xinfeng Coal Mining Bureau.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句