Meanings of subtle control in English

Was the same subtle control responsible in both cases?

This subtle control of relaxation by lattice solvents is rarely observed in single-molecule magnets, especially for ErIII-based complexes.

The result, explained Chu, is that all these interventions exert a subtle control over what people think and say.

The advantageous features of tACS include the biphasic and sinusoidal tACS currents, the ability to entrain large neuronal populations, and subtle control over somatic effects.

Subtle control over their outgassings results, over very long periods, in orbital changes.

"Then subtle control might be traded for the blatant exercise of raw power," Ellie said.