The barycentric coordinates of are derived from the areas of sub-triangles .
The Iranian foreign minister, Abbas Araghchi, claimed “good progress” had been made at the talks and Omani mediators predicted negotiations would reconvene at a technical level next week in Vienna.
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“正确政绩观要求我们坚持从实际出发、按规律办事，通过科学决策和实干苦干，创造经得起实践和历史检验、真正造福人民、得到群众公认的业绩。”