It's an important advance for jet simulation to simulate hot jet by cryogenic wind tunnels.
应用低温风洞模拟热喷流，是喷流模拟技术一大进步。
Including the superfluid helium, the providing of liquid helium to the plant in the space on orbit, cryogenic wind tunnels techniques, the preparation and application of slush hydrogen etc.
论述超流氦冷却技术及空间飞行中的液氦再供给等在轨机载验证、低温风洞技术、氢浆的制备和应用前景等。
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