The kinetic theory of gases is the best known example. 氣體動力學理論就是最有名的例子。
The technical principles of powdering with ultrasonic-atomization and quick-cooling are explored in this paper from the view of gas dynamics and ultrasonics. 本文試從氣體動力學和超聲學角度探討了超聲氣霧化快冷制粉技術的原理。
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