例句與造句

1. The bivector " F " " ab " yields a skew-symmetric linear operator defined by lowering one index with the metric.
2. But it is easily seen that the associated skew-symmetric linear operator " F " " a " " b " has rank 2 in the former case and rank 4 in the latter case.
3. It's difficult to find symmetric linear operator in a sentence. 用symmetric linear operator造句挺難的