看一看，你会看到3d模型直升机的优质和创意！
Take a look and you'll see quality and creative 3d model of helicopter!
提出了直升机模型桨叶颤振试验技术及试验方法。
An experimental technique and method for flutter research of helicopter blade model are proposed.
以此为基础，建立了电控旋翼直升机的飞行动力学模型。
Then the flight dynamics model of the ECR helicopter was constructed.
准确的飞行数据对于建立无人直升机数学模型至关重要。
It is important to get accurate data in system identification in unmanned helicopter.
准确的飞行数据对于建立无人直升机数学模型至关重要。
It is important to get accurate data in system identification in unmanned helicopter.
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