The idea is to have a series of electromagnetic devices, either on the track or inside the train, which act on a series of permanent magnets on/in the opposite object (i.e. if you have electromagnets on the track then you would put the permanent magnets in the train).
(The idea; is; to have a series of electromagnetic devices, either on the track or inside the train, which act on a series of permanent magnets on/in the opposite object (i.e. if you have electromagnets on the track then you would put the permanent magnets in the train) (the train; act; on a series of permanent magnets on/in the opposite object) (you; have; electromagnets on the track)
The idea the train you
is act have
to have a series of electromagnetic devices, either on the track or inside the train, which act on a series of permanent magnets on/in the opposite object (i.e. if you have electromagnets on the track then you would put the permanent magnets in the train
on a series of permanent magnets on/in the opposite object
electromagnets on the track