adj.有等级的；渐次的；浓淡法上的
The behavior disposition of restitution is gradational. 移情性悲伤驱动认知归因；
The reality also testifies the effectiveness of this gradational optimization. 实践证明这种分级优化是有效的。
The love didn't be gradational, the love have no terminal point, loving to without balance. 爱没有等级，爱没有终点，爱没有平衡。
Hetian jade have no gradational distinction, but is divided into mountain and river materials according to the geology source. 和田玉没有等级区分，但根据地质出处分为山料和籽料。
Abrupt fluid contacts indicate a permeable reservoir;gradational ones indicate a low permeability with a high capillary pressure. 突变的流体界面表层储层具有很好的渗透率，而渐变的流体界面表明储层的渗透率较差，且储层的毛细压力较高。
adj.加积的(淤高的；浚填的)
