Structure
The CSS is a third generation modular space station. First generation space stations, such as early Salyut (fireworks) and Almaz (diamond) stations and Skylab were single piece stations, and not designed for resupply. Salyut 6, 7 and Tiangong stations are designed for mid-mission resupply. Mir, the International Space Station, OPSEK and the CSS are modular space stations, assembled on-orbit from pieces launched separately. Modularised design methods can greatly improve reliability，reduce costs, shorten development cycle, and meet diversified task requirements.
Read more about this topic: Chinese Space Station
Famous quotes containing the word structure:
“What is the structure of government that will best guard against the precipitate counsels and factious combinations for unjust purposes, without a sacrifice of the fundamental principle of republicanism?”
—James Madison (1751–1836)
“The structure was designed by an old sea captain who believed that the world would end in a flood. He built a home in the traditional shape of the Ark, inverted, with the roof forming the hull of the proposed vessel. The builder expected that the deluge would cause the house to topple and then reverse itself, floating away on its roof until it should land on some new Ararat.”
—For the State of New Jersey, U.S. public relief program (1935-1943)
“I’m a Sunday School teacher, and I’ve always known that the structure of law is founded on the Christian ethic that you shall love the Lord your God and your neighbor as yourself—a very high and perfect standard. We all know the fallibility of man, and the contentions in society, as described by Reinhold Niebuhr and many others, don’t permit us to achieve perfection.”
—Jimmy Carter (James Earl Carter, Jr.)