Non-negative matrix factorization. NMF of the voxelized 'exp' and 'bib' structures.

See non-negative matrix factorization.

not meaningful. Used when a number or ratio is so large or small that it is not meaningful. For example, a price/earnings ratio of 100 would probably not be meaningful because earnings in a particular period were unusually depressed.

Abbreviation for "No Meaningful Figure."

in the CLS or Class column specifies the applicable class will be the class (not exception) rating provided in the National Motor Freight Classification.

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