ideal plane

例句：

1. 1. The ideal plane is a mathematical concept that represents the best possible state of an object in space.
   理想平面是数学概念，代表物体在空间中最佳可能的状态。
2. 2. In the study of physics, the ideal plane is used to describe the behavior of particles in motion.
   在物理学研究中，理想平面用于描述粒子在运动中的行为。
3. 3. The engineers designed an ideal plane that could fly at high altitudes and over long distances.
   工程师们设计了一架理想的飞机，可以在高空飞行和长途飞行。