The complications of duodenal ulcer that require surgical management are hemorrhage , perforation, obstruction, and intractability.

十二指肠溃疡需外科治疗的并发症是出血、穿孔 、 梗阻和顽固性.

辞典例句

We can admit the intractability of depravation, and still strive for dignity.

我们可以认为,腐化难以消除, 但我们仍积极要求获得尊严.

互联网

Both of their security are based on the intractability of elliptic curve discrete logarithm problem.

两种方案的安全性都是基于椭圆曲线离散对数问题的难解性.

互联网