習近平向首屆“一帶一路”科技交流大會致賀信
弘揚絲路精神，助力共建“一帶一路”高質量發(fā)展
President Xi Jinping’s Congratulatory Letter to the First Belt and Road Conference on Science and Technology Exchange
Carrying Forward the Silk Road Spirit， Advancing High-Quality Belt and Road Cooperation
習近平指出，第三屆“一帶一路”國際合作高峰論壇成功舉辦，共建“一帶一路”進入高質量發(fā)展的新階段。（剩余2200字）