求翻译：　酒泉卫星发射中心始建于1958年，是中国最早的卫星发射中心，其卫星发射设施十分先进。酒泉卫星发射中心主要用于执行中轨道、低轨道及高倾角轨道的科学实验卫星及返回式卫星的发射任务。自1970年长征一号运载火箭成功发射中国第一颗卫星――东方红一号以来，酒泉卫星发射中心通过长征一号、长征二号丙及长征二号丁火箭已成功地发射了20多颗科学实验卫星。是什么意思？

Jiuquan Satellite Launch Center was founded in 1958, is China's first Satellite Launch Center, its satellite launch facilities are very advanced. Jiuquan Satellite Launch Center is mainly used for running tracks, low orbit and high inclination orbit scientific experimental satellite and retrievable

The Jiuquan Satellite Launch Center was founded in 1958, is the earliest Chinese Satellite Launch Center, its satellite launch facilities 10 hours advanced. The Jiuquan Satellite Launch Center in mainly for the implementation and high inclination orbits, low-orbit satellite orbit and return satellit

　The Jiuquan satellite launch center beginning constructed in 1958, was the China earliest satellite launch center, its satellite launch facility was extremely advanced.The Jiuquan satellite launch center mainly uses in the execution orbital, the depressed trajectory and the high inclination angle t

　Jiuquan Satellite Launch Center was founded in 1958, is China's first satellite launch Center, its highly advanced satellite launch facilities. Jiuquan Satellite Launch Center is mainly used to perform the track, low orbit and high-inclination orbit retrievable satellites and scientific experimenta

　The Jiuquan satellite launch center beginning constructed in 1958, was the China earliest satellite launch center, its satellite launch facility was extremely advanced.The Jiuquan satellite launch center mainly uses in the execution orbital, the depressed trajectory and the high inclination angle t