Complex sentence: Hydraulic jumps can be seen in both a stationary form, which is known as a "hydraulic jump", and a dynamic or moving form, which is known as a positive surge or "hydraulic jump in translation".
Split into simpler sentences: Hydraulic jumps can be seen in both a stationary form. The stationary type is known as a hydraulic jump and a dynamic or moving form, which is known as a positive surge or "hydraulic jump in translation".