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The R&D of photovoltaic technology has received substantial full subsidies, large grants, and preferential loans from the Innovation Fund and Horizon Europe. In January 2021, the Innovation Fund granted EUR 117 million to Enel in Italy to develop a pilot production line for high-performance photovoltaic modules.[20] In April 2018, the Horizon Europe allocated EUR 9.4 million to a public photovoltaic R&D project jointly undertaken by France, Italy, Spain, Switzerland, and Germany (with a project budget of EUR 11.14 million).[21] In October 2022, it allocated EUR 2.93 million in full funding to a project on ultrathin-film photovoltaic technology and flexible solar cells, cooperatively developed by the Netherlands, Spain, Sweden, Switzerland, Greece, and Germany.[22] In December 2022, it provided a full grant of EUR 5.11 million to a perovskite photovoltaics R&D project participated by France, Italy, the Netherlands, Portugal, Sweden, Switzerland, and Germany.[23]

目前，无人机货运还存在成本较高、应用场景需要拓展等现实问题。观察人士称，未来，该行业将不断提升自动化、规模化水平，实现降本增效；随着各个应用场景的蓬勃发展，无人机货运必将走入千家万户。(完)

文字的传承可考，保证了文明代代承继发展，从未断代。目前已知最早的成熟的汉字，是距今至少3600年的甲骨文，此后汉字经历篆书、隶书、楷书等发展阶段，其字形和读音的演变皆有迹可循。今天我们使用的汉字同甲骨文没有根本区别。

世界铁人三项联盟7月30日发表声明说，由于塞纳河水质“不达标”，巴黎奥运会铁人三项男子个人赛将推迟至当地时间7月31日上午举行。

随着越来越多人了解西藏石刻艺术，参与保护的人也多了起来。据格旺介绍，在日喀则康马县、南木林县等地，都有石刻文化传承研究联合工作站。“也有很多年轻人很感兴趣，这种现象特别好。”