zhǔ zhǐ yǎn jiǎng / de / nèi róng / zhǔ yào / wéi rào / rén gōng zhì néng / de / wèi lái / fā zhǎn主旨演讲的内容主要围绕人工智能的未来发展。The keynote speech mainly focused on the future development of artificial intelligence.