plane of orientation

例句：

1. 1.The airplane is flying in a straight line towards the destination.
   飞机正朝着目的地直线飞行。
2. 2.The scientist used an X-ray to determine the exact position of the object in the plane of orientation.
   科学家使用X射线来确定物体在方向平面上的具体位置。
3. 3.The engineer designed a new model that would help people navigate through the plane of orientation more easily.
   工程师设计了一个新的模型，可以帮助人们更容易地通过方向平面导航。