The final part looks at the magnet force, including how to animate it, and how to link its position to a rigid body that is being simulated.

最后部分着眼于磁铁的力量，包括如何制作动画，以及如何连接它的位置，一个刚体正在模拟。

youdao

Today the most commonly used geophone is the magnet-electrical velocity geophone, also called the moving-coil geophone, moving-coil geophone is one of important link in the seismic exploration.

目前最常用的地震检波器是磁电式速度型地震检波器，又称动圈式检波器，动圈式检波器的测试是地震勘探中一个重要的环节。

youdao

This makes Juba, with its police, air connections and solid tarmac link to Uganda, a magnet.

ECONOMIST: Independence has left South Sudan with much to do