他们可能意识到声音是通过空气传播的波，并可能有声音传播时空气压缩的概念。
They probably realized that sound was a wave propagating through the air and may have had a notion of the compressibility of air during sound propagation.
在假设存在“压力零点温度”的概念基础上，运用对比态的方法，本文提出了一个新的饱和蒸气压方程。
Under the assumptation that the "Pressure Zero Temperature Point" exists, with the corresponding state method, a new vapor pressure equation was established in this thesis.
旋转流形上的RM系列通过采用固定端口一个独特的空气压力的概念转移到旋转平台的旋转部件上。
The rm Series rotary Manifold utilizes a unique concept in transferring air pressure thru fixed ports to rotating parts on the rotary platform.
Doblhoff的“压力型喷气转子”的概念参与管道高压空气压缩机向转子叶片的提示，它是混合燃料和燃烧的燃烧室。
Doblhoff's "pressure-jet rotor" concept involved piping high-pressure air from a compressor out to the rotor-blade tips, where it was mixed with fuel and burned in combustors.
旋转的RM系列在转让多方面利用固定的端口，通过空气压力，旋转部分的旋转平台上一个独特的概念。
The rm Series rotary manifold utilizes a unique concept in transferring air pressure thru fixed ports to rotating parts on the rotary platform.
的RM系列旋转形转移利用固定的端口，通过空气压力，旋转部分的旋转平台上一个独特的概念。
Rotary Manifold utilizes a unique concept in transferring air pressure thru fixed ports to rotating parts on the rotary platform.
的RM系列旋转形转移利用固定的端口，通过空气压力，旋转部分的旋转平台上一个独特的概念。
Rotary Manifold utilizes a unique concept in transferring air pressure thru fixed ports to rotating parts on the rotary platform.
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