
China has built a hypersonic wind tunnel capable of wind speeds up to Mach 30, a testing capability far beyond current U.S. facilities, enabling advanced research into extreme-speed flight and reentry. The new LineShine supercomputer strengthens this advantage by providing greater computational power for modeling, simulation and design, meaning physical testing and high-end computation are advancing together to give China practical edges in high‑speed aerodynamics and related technologies.
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