Complex sentence: Two state trajectories (also termed, two-state trajectories, two state time trajectories, trajectories with two states) is a dynamical signal that fluctuates among two distinct values (ON-OFF, open-close, plus-minus, etc).
Split into simpler sentences: Two state trajectories (also termed, two-state trajectories, two state time trajectories, trajectories with two states). A two-state trajectory is a dynamical signal that fluctuates among two distinct values (ON-OFF, open-close, plus-minus, etc).