谈判进入“决定性回合”，美舰机仍向中东集结，世界紧盯美伊“摊牌”时刻

Group 1 - The core point of the article revolves around the third round of indirect negotiations between Iran and the United States, which is seen as a decisive moment that could determine the future of U.S.-Iran relations, whether it leads to peace or conflict [1][6]. - Iran's Foreign Minister Zarif emphasized that the success of the negotiations depends on the seriousness of the U.S. and its ability to avoid contradictory actions [1]. - The U.S. continues to exert pressure on Iran through sanctions and military deployments, including the addition of F-22 fighter jets to Israel [1][7]. Group 2 - Iran's proposed agreement includes maintaining a symbolic uranium enrichment capability, with plans to suspend nuclear activities for 3 to 5 years and keep enrichment levels at a low 1.5% for medical research [4]. - The proposal also involves gradually diluting its stock of 400 kilograms of high-enriched uranium and allowing international oversight of the process [4]. - Iran is open to discussing a multilateral verification mechanism for its nuclear program, although it is unlikely to accept a zero enrichment requirement [4]. Group 3 - Iranian President Raisi expressed optimism about the negotiations, stating that there is no intention to develop nuclear weapons, and sees the talks as a historic opportunity [5]. - Iran is considering offering business opportunities to U.S. companies, including investments in oil, gas, and mining sectors, to persuade the U.S. to reach a nuclear agreement [5]. - The negotiations are viewed as a critical test of U.S. sincerity and willingness to engage in a mutually beneficial agreement [6]. Group 4 - The U.S. continues to impose sanctions on Iran, targeting over 30 entities and individuals involved in what it describes as illegal oil sales and missile production [5]. - The upcoming negotiations are expected to focus on nuclear issues while Iran aims to push for the lifting of economic sanctions [5]. - The international community is closely monitoring the situation, with many countries advising their citizens to leave Iran amid rising tensions [7].