1 PHRASAL VERB 将注意力集中(于) If you home in on one particular aspect of something, you give all your attention to it. 将注意力集中(于) [Also VERB PREPOSITION]
2 PHRASAL VERB (导弹等)自动寻(的),自动导向(目标) If something such as a missile homes in on something else, it is aimed at that thing and moves towards it. (导弹等)自动寻(的),自动导向(目标) [Also VERB PREPOSITION]