Assertion: turbine's rotor | /r/CapableOf | act as turbine
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Source sentences:
text: Interestingly, such turbines can operate in multiple configurations: (a) turbine-turbine mode (both rotors acting as turbine and extracting energy from the flow), and (b) turbine-fan mode (the first rotor extracts energy from the flow, whereas the second rotor reduces flow stagnation by imparting energy to the flow) .