hyperfinite type ii factor造句

The term " Fermion " in the name of the system is explained by the fact that the enveloping operator space, the so-called hyperfinite type II factor \ mathcal R, may be viewed as the space of " observables " of the system of countably infinite number of distinct Pauli matrix.
It's difficult to find hyperfinite type ii factor in a sentence. 用hyperfinite type ii factor造句挺难的