Question: 第一颗气象卫星是何时发射到太空的
Answer: 1960-04-01; 1960 04 01; 1960 4月 01; 1960 april, 01; 04/01/1960; 1960-04-01; 01 04 1960; 01-04-1960; 01 4月 1960; 01/04/1960; 04 01 1960; 04-01-1960