近年来,世界航天加速发展。除了各主要航天国家外,拥有航天抱负的各国政府也在不遗余力地支持本国发展自己的航天技术;随着私营资本进入航天领域并取得成功,越来越多的人开始关注商业航天。最为关键的是,各国科研人员已经在商用器件(COTS)宇航应用、 In recent years, the space development in the world has accelerated. Apart from the major space-faring nations, governments with space ambitions are also sparing no effort to support their own development of their space technology; as private capital enters the space sector and succeeds, more and more people are beginning to pay attention to commercial space. Most crucially, scientists from various countries are already using aerospace applications in commercial devices (COTS)