Three point turn 三点式转
以上来源于: WordNet
N-COUNT When the driver of a vehicle does a three-point turn, he or she turns the vehicle by driving forward in a curve, then backward in a curve, and then forward in a curve. 三点掉头
The boys were all staying in a hotel close by and since we had to ride with them, we pulled a three-point-turn, mid-highway, and headed in the opposite direction.
那些小伙子就住在附近的旅馆，因为我们要与他们同行，所以我们在中途停车掉头，向相反的方向驶去。
Two of them intersect in a curved line which in turn intersects with the third hyperboloid in a point corresponding to the unknown three-dimensional user position.
两个曲面相交得到一条曲线，曲线与第三个曲面的交点既是用户的三维坐标。
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