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地热能是清洁低碳、稳定可靠的可再生能源。闫金明称，近年来，山东聚焦清洁取暖需求，在济宁、德州、聊城、菏泽等地开展地热资源调查评价，施工地热井18眼，估算评价可采资源量，提出开发利用分区建议，探索“取热不取水”的开发利用模式，并在菏泽郓城、德州平原、聊城东昌府等地建立4处示范点，总结新农村地热清洁取暖的经验做法，进一步推动地热能开发利用。

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据文物专家分析，这块界碑为清代粤海关黄埔分关在长洲岛租用办公场地时的地界标记碑。史料记载，1685年，清政府设立粤海关，在黄埔(今海珠区黄埔古村)设置黄埔挂号口(也称税馆)，主要负责监管进出黄埔港船只和货物、查缉走私、征税等海关业务。1849年，葡萄牙政府强行封闭粤海关在澳门的办事机构，澳门总口迁至黄埔，与黄埔挂号口合并为黄埔总口。

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China and Brazil have broad prospects for cooperation in various fields, such as economic and trade exchanges, scientific and technological innovation, and people-to-people exchanges, said Cui Shoujun, professor and director of the Institute of International Development Studies at the School of International Studies at Renmin University of China, during an interview with China News Network.

The year 2024 marks the 50th anniversary of the establishment of diplomatic ties between China and Brazil. He believes that the two countries with strategic and innovative visions are expected to promote the steady development of bilateral relations, and jointly work together for the next "golden 50 years".(Gan Tian)