在曲线外制作螺钉的模型，用标准旋转如下图所示。
Make a screw out of the curve shown below using a standard Revolve.
如果你看一下诺基亚3250的模型，它有一个旋转的底盘。
If you look at the Nokia 3250 model, it has a twisting bottom.
并且运用超级计算机来建立模型，能够让旋转器达到更高的效率。
Advanced computer modelling has also made it possible to design more efficient rotors.
该系统建立在同步旋转坐标系下，数学模型较为简单。
The proposed system is constructed in a synchronously rotating reference frame and is very simple.
利用单斜丝热线旋转进行水平轴风力机模型的尾迹流场测量。
The panel method was used to predict the wake flow field of propeller.
利用单斜丝热线旋转进行水平轴风力机模型的尾迹流场测量。
The panel method was used to predict the wake flow field of propeller.
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