双方签署了涉及经贸、航天、旅游等领域的一系列协议和文件，在进一步加强互利合作方面迈出了实质性步伐。
The two sides signed a range of agreements and documents involving economy, trade, aerospace and tourism and made substantial headways towards further enhancing mutually beneficial cooperation.
双方应积极研究和商谈共同开发，尽快迈出实质性步伐。
Both sides should actively study and discuss joint development to make substantial progress as soon as possible.
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