力心 meaning in English

center of force
centre of force

Bound indicates that a particle in one of these levels will remain attached to the force center .
束缚是指位于这些能级中某一能级上的粒子将总是受到力心的约束。
A central force is defined as a force acting along the line joining a particle or object to a center of force .
辏力就是沿着质点（或物体）向力心连接线方向作用的力。
Non - invaoive continuoue caldiaw ovltput monitor
无创伤血流动力心功能监护仪