Assertion: magnetic field's magnitude | /r/HasProperty | measured to great precision
Facets:
value: often
type: TEMPORAL
value: experimentally
type: MANNER
Source sentences:
text: On the other hand, the magnitude of each elementary particle's intrinsic magnetic moment is a fixed number, often measured experimentally to a great precision.
text: Each energy state of a nucleus of a given isotope is characterized by a well-defined magnetic dipole moment, the magnitude of which is a fixed number, often measured experimentally to a great precision.