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何谓人造卫星? Vệ tinh nhân tạo nghĩa là gì? ดาวเทียมที่มนุษย์สร้างขึ้น หมายถึงอะไร? ¿Qué significa "satélite artificial"? Que signifie "satellite artificiel" ? Cosa significa "satellite artificiale"? What does "man-made satellite" mean? Wat betekent "kunstmatige satelliet"? ![]() 1286 |