To describe grey number completely, we have to determine its grey field and possibility degree model.

对灰数的完整描述，必须确定出其灰域及可能度模型；

youdao

To describe grey number completely, we have to determine its grey field and possibility degree model.

对灰数的完整描述，必须确定出其灰域及可能度模型；

youdao