彤聲 的英文怎麼說
中文拼音 [tóngshēng]-
To study the acoustic unsteady combustion of srm, built the acoustic model of chamber. deduced the little amplitude sound wave 3d equation, used the finite volume discrete method to simulate. got the vibration model of three kinds of chamber
為研究固體火箭發動機聲不穩定燃燒特性，建立了燃燒室內聲學特性分析的物理數學模型，推導了小振幅聲波三維波動方程，採用有限體積離散方法進行模擬，得到圓柱型、四片翼柱彤和五片翼柱型藥柱三種燃燒室形狀聲學振動基本模態In a corner of the room was something red and tiny, squealing and grunting in the trembling white hands of marya bogdanovna. two hours later prince andrey went with soft steps into his fathers room
在房間的角落裡，瑪麗亞波格丹諾夫娜的一雙顫栗的白凈的手中抱過一樣紅彤彤的小東西，他哼了哼，哇地一聲哭起來。
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