例句與造句

1. ( 2 ) based on the wave equation in the acoustic fluid space and the theory of thin - wall structure , the non - symmetrical coupled structure - acoustic dynamic equation without damping is studied . the non - symmetric system of the finite element model for coupled structure - acoustic response is solved by the conjugate subspace iteration method
   由聲空間波動方程和薄板理論出發(fā)，對聲場?結(jié)構(gòu)耦合系統(tǒng)的模態(tài)分析提出了有限元數(shù)值方法，采用共扼子空間迭代法對非對稱特征方程進行處理，采用靜凝聚法消除質(zhì)量矩陣的奇異性。
2. It's difficult to find fluid space in a sentence. 用fluid space造句挺難的