北约秘书长吕特：北约协议将引领集体防御实现“飞跃式”发展。

Group 1 - The core viewpoint is that NATO Secretary General Jens Stoltenberg emphasizes that the NATO agreement will lead to a "quantum leap" in collective defense capabilities [1] Group 2 - The statement indicates a significant enhancement in NATO's defense strategy, suggesting a transformative approach to collective security [1] - The focus on collective defense highlights NATO's commitment to adapting to new security challenges in the current geopolitical landscape [1] - The term "quantum leap" suggests a substantial and rapid improvement in NATO's operational effectiveness and readiness [1]