Combining grey system theory with the feature of series data, a grey interpolation approach based on forward and backgrey prediction model is proposed.
根据灰色系统理论和序列数据的特性，提出一种灰插值方法。
2
Further back the old grey rocks rose high and sheer.
再往后，古老的灰色岩石高耸而陡峭。
3
Satisfied, the kite returns to its perch and shows off the black epaulettes on its greyback.