(3) The quotation in (1) is correct. However Google reains a cache.
新征程，新谋划！高质量发展的新时代，中船重工应该怎么干？纲要明晰前进方向. 中船重工, Mar 27, 2018 http://webcache.googleuserconten ... cache:UpEm0kx4pYUJ:[/url]
("我们必须坚决贯彻习近平强军思想，以构建中国特色海上现代作战体系为牵引，加快实现核动力航母、新型核潜艇、安静型潜艇、水下无人智能对抗体系、水下立体攻防体系和海战场综合电子信息系统等攻关突破，增强基于网络信息体系的联合作战能力、全域作战能力，为海军2025年实现走向深蓝远海的战略转型提供高质量武器装备")
My comment:
(a) This is the only mention of "核动力."
(b) EVEN IF China is building a nuclear-powered aircraft carrier, so what? China has built nuclear-powered submarines for two decades, but there is nothing to show.