高分三号卫星是中国首颗精确度达到1米的SAR成像卫星。
The Gaofen-3 is China 's first SAR imaging satellite that is accurate to one meter in distance .
当天清晨6时55分，“高分三号”卫星是由长征四号丙运载火箭发射升空的。
The Gaofen-3 satellite was launched off the back of a Long March 4C carrier rocket at 6:55 am .
高分三号卫星