right-hand rule

例句：

1. 1.When drawing a circle, you should use the right-hand rule to determine the center point.
   画圆时，你应该使用右手规则来确定中心点。
2. 2. In physics, the right-hand rule is used to determine the direction of force when applying pressure to an object.
   在物理学中，右手规则用于确定施加压力到物体上的力的方向。
3. 3. The teacher demonstrated the right-hand rule to help the students understand how to apply it in real-life situations.
   老师演示了右手规则，帮助学生们理解如何在实际生活中应用它。