求英文翻译中国航天技术发展历程

Rocket can carry and launch a satellite into space, and satellites can also safely return, these two results had been achieved for the manned space flight lay a technological foundation. In addition to the obvious economic benefits, the development of manned space flight involving astronomy, medicine, aerodynamics, dozens of subject areas. It will reflect the maturity of a country's overall technological level is related to a country's life and death in the space age.
Manned space flight has been 42 years of human history (in 1961 the former Soviet Union to achieve the world's first manned space flight), China's manned space program was officially launched in 1992, took only seven years after the breakthrough in the space on the highest technical.
At 6:30:07 on November 20, 1999, China's first pilot a spaceship "Shenzhou I" successful initial public offering, China became the United States and Russia have after the world's first three ma