show;demonstrate;display;manifest 香港回歸祖國(guó)以來(lái)的實(shí)踐，充分～了“一國(guó)兩制”的強(qiáng)大生命力。The success of Hong Kong since its return bears full testimony to the immense vitality of the concept of “one country,two systems”./～管display tube/～劑developer（化學(xué)）/～終端video terminal