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单词 thermal barrier
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thermal barrier
thermal barrier n. Aeronautics = heat barrier n. at heat n. Compounds 2.
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society > travel > air or space travel > specific movements or positions of aircraft > aerodynamic forces and concepts > [noun] > limitations on speed
sound barrier1939
thermal barrier1951
heat barrier1953
1951 Jrnl. Royal Aeronaut. Soc. 55 757/2 A new barrier is faced after ‘climbing’ the sonic barrier, namely the Thermal Barrier.
1958 C. C. Adams et al. Space Flight 265 The MA-2 is a special suit that is ventilated for travel through the thermal barrier, and the MA-1 is a new ARDC helmet.
extracted from thermaladj.
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