Complex sentence: In contrast, LC oscillators have tank circuits with high\\ scriptstyle Q (~ 10 2) so the phase shift of the feedback network increases rapidly around the resonant frequency of the tank circuit.
Split into simpler sentences: In contrast, LC oscillators have tank circuits with high\\ scriptstyle Q (~ 10 2). This means the phase shift of the feedback network increases rapidly with frequency near the resonant frequency of the tank circuit.