结论结扎橡皮圈在不同负载下均存在应力松弛的现象，应力松弛率相同。
Conclusion the rate of stress relaxation of the rubber ring ligatures on different loads are the same.
橡圈结扎法-用一个橡皮圈去结扎痔团截断它的血运，痔会因缺血和缺氧而枯萎。
Ligation - a tight rubber band is wrapped around the haemorrhoids to cut off their blood supply. Starved of oxygen and nutrients, the haemorrhoids shrivel.
应用推荐