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

十二指腸潰瘍需外科治療的并發(fā)癥是出血、穿孔 、 梗阻和頑固性.

辭典例句

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

我們可以認為,腐化難以消除, 但我們?nèi)苑e極要求獲得尊嚴.

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

兩種方案的安全性都是基于橢圓曲線離散對數(shù)問題的難解性.

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