抛物线趋势 meaning in Chinese

parabola trend

The starch accumulating quantity of all the tested cultivars showed irregular parabola types in difference soils ; the strong gluten cultivar did not reach a notable level in different soils , both middle gluten cultivar and weak gluten cultivar gave the largest in the loam soil based on the starch accumulating quantity
不同土壤质地强筋品种淀粉积累呈不规则抛物线趋势，但差异不大；中筋品种在不同土壤质地上积累动态呈不规则抛物线，其中，在壤土上淀粉积累量最大；弱筋品种在不同土壤上淀粉积累均呈抛物线型，在壤土上淀粉积累量最大。