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带电粒子在匀强磁场中做匀速圆周运动是我们非常熟悉的内容,它和几何结合紧密,形式灵活多变,具有丰富的科学美感.今年高考试卷类型繁多,为带电粒子提供了一个大“运动场”。
The uniform motion of charged particles in a uniform magnetic field is very familiar to us. It is tightly coupled with geometry, flexible in form, and rich in scientific aesthetics. This year’s high exam volume provides a large “sports field” for charged particles. ".