The use of a prescribed form leads to a greater certainty. 使用规定的合同形式会产生更大的确定性。
Then a Grey Non-intrinsic model for indoor air quality is proposed by combining Grey System Theory with the definitive physical model. 利用原有的确定性物理模拟与灰色系统理论相结合,提出了室内空气品质灰色非本征模型。