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对空气的绝热指数ｋ与温度及压强的关系数据进行了整理分析，提出用微波后的滞点温度和压强选取空气的绝热指数ｋ，估算出滞点温度与速度关系数据．对研究设计高速弹丸各部分用材料，有一定参考价值。
The data about the relationship between air temperature adiabatic index k and temperature and pressure were analyzed. The data of the relationship between stagnation temperature and speed were obtained by using the post-microwave temperature and pressure to select the adiabatic index k of air. The research design of high-speed projectile parts of the material, there is a certain reference value.