主要属 meaning in Chinese

main attributes

The clinical management for e coli o157 : h7 infection is essentially supportive
感染大肠杆菌o157 : h7的临治理方法主要属支持性治疗。
However , this was mainly due to a rise in the number of minor accidents and there was a drop in the number of traffic accidents resulting in deaths and serious injuries , he added
而上升的意外数字主要属轻微性质的交通事故，而因交通意外导致死亡及重伤的人数都录得下降。