最新，卫星图像显示美航母现身阿曼海岸！美伊在核心问题上仍然分歧严重，伊朗副外长：提出稀释60%浓缩铀的提议，表明我们愿意做出妥协

Group 1 - The "Abraham Lincoln" aircraft carrier was spotted near the coast of Oman on February 15, coinciding with the release of footage showing the carrier strike group's operations [1] - The "Abraham Lincoln" carrier arrived in the Middle East in January, and the "Gerald R. Ford" carrier has also been dispatched to the region, marking the first dual-carrier deployment since April of the previous year [3] - The "Harry S. Truman" and "Carl Vinson" carrier strike groups conducted large-scale airstrikes against Houthi forces in Yemen [3] Group 2 - Indirect negotiations between Iran and the U.S. took place in Muscat, Oman, on February 6, with both parties agreeing to continue discussions despite significant disagreements on core issues [3] - The second round of nuclear negotiations is scheduled for February 17 in Geneva, Switzerland, with Iran's Deputy Foreign Minister Lavanchy stating that the U.S. needs to demonstrate its willingness to reach an agreement [3][5] - Lavanchy expressed Iran's willingness to compromise by proposing to dilute its 60% enriched uranium and emphasized the need for discussions on sanctions and other nuclear-related issues, while firmly rejecting discussions on its ballistic missile program [5]