The six telecommunications,earth resources and meteorological satellites developed and launched by China in the past few years are in stable operation,and have generated remarkable social and economic returns.

• 近几年来，中国研制并发射的6颗通信、地球资源和气象卫星投入使用后，工作稳定，性能良好，产生了很好的社会效益和经济效益。