求翻译：自中美建交以来，台湾问题是中美关系中最重要最敏感的问题，长期以来一直制约着中美关系健康稳定的发展是什么意思？

Since the establishment of Sino-US diplomatic relations, the Taiwan issue is the most important and most sensitive issue in Sino-US relations has long been restricted to the healthy and stable development of Sino-US relations

Since the US and China established diplomatic relations, the Taiwan issue in Sino-US relations is the most important and sensitive issue and has long been a constraint that healthy and stable development of Sino-US relations

Has established diplomatic relations since China and America, the Taiwan problem is in the Chinese and American relations is most important the most sensitive question, since long ago is continuously restricting the Chinese and American relations health stable development

Since the United States established diplomatic relations, Taiwan issue is the most important and sensitive issue in Sino-US relations, has long restricted the development of healthy and stable Sino-US relations

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