When China announced it would enter into the international commercial satellite launching market,the country already had the experience of 20 successful launches,giving it the ability to launch all kinds of satellites in high,medium and low orbits.

• 中国宣布进入国际商业卫星发射市场时，已经具备了高、中、低三种轨道各类卫星的发射能力，积累了20次成功发射的经验。