Sentence 1: A quantum fluid refers to any system that exhibits quantum mechanical effects at the macroscopic level such as superfluids , superconductors , ultracold atoms , etc .
Sentence 2: A quantum mechanical fluid refers to any system that shows macroscopic effects at the quantum level , such as superfluids , superconductors , ultracold atoms , etc .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?