例句與造句

1. And if the only bounded subspace of " X " is the trivial subspace ( i . e . the space consisting only of 0 ) then it is called "'separated " '.
2. A representation ? on " H " is irreducible if and only if there are no closed subspaces of " H " which are invariant under all the operators ? ( " x " ) other than " H " itself and the trivial subspace { 0 }.
3. If " W " has exactly two subrepresentations, namely the trivial subspace { 0 } and " W " itself, then the representation is said to be " irreducible "; if " W " has a proper nontrivial subrepresentation, the representation is said to be " reducible ".
4. It's difficult to find trivial subspaces in a sentence. 用trivial subspaces造句挺難的