(空间效应) CH3 OH OH SO3H 和 H CH38. 其它在重叠构象中存在着要变 内型(endo),扭转张力: 外型(exo) : 为交叉式构象的一种张力。
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提出了一种快速集成制造具有复杂内型面零件的新工艺。
A new rapid integrated processing for machining parts with irregular internal curved surfaces is presented here.
先天性左房壁瘤是一种罕见疾病,分心包内型与心包外型。
Congenital aneurysm of left atria is rare disease that is devided into intrapericardial and extrapericardial types.
目的提高肺内型支气管囊肿诊断、鉴别诊断和外科治疗水平。
Objective To improve the levels of diagnosis , differential diagnosis and treatment of intrapulmonary bronchogenic cyst.
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