交叉切断一种解释为阻断交叉的部分，使其相互分离如避免交叉感染,切断传染源。另一解释为两种或两种以上的物质相互交叉，并利用交叉的部分将其他的部分切断，以达到阻断的目的。
结论表明，当两种群共存且均有疾病流行时，如切断疾病交叉传染因素，在一定条件下，疾病均会消亡。
It is discovered that under proper condition, when the two species coexist and a disease persists in both of them, if the cross-infection is removed, the disease would die out.
是切断各种传播途径、预防院内交叉感染的有效措施之一。
It is one of the effective means that block the transmission and cross-infection of patients in hospital.
对手术组与CT干预组的右膝行前交叉韧带切断加内侧半月板切除术，左膝作为空白对照，不予手术。
Surgery Group and CT intervened Group were intervened by cutting off the anterior cruciate ligament and the medial meniscus of their right knees, while the left knees as the control samples.
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