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.
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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.
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