英语语法分析

To explore the control rules of ECR, first an aeroelastics analysis model is built up.

为探索其操纵规律，首先给出电控旋翼的理论计算模型。

Therefore, in the research of turbomachinery aeroelastics, it is more and more important to predict blade flutter and to avoid blade flutter.

所以，预报颤振发生几率，避免叶片颤振的研究工作在叶轮机械气动弹性力学学科中占有越来越突出的地位。