例句與造句

1. Brief disruptions that do not result in reversal are called geomagnetic excursions.
2. Scientific opinion is divided on what causes geomagnetic excursions.
3. The records typically include long periods of small change with occasional large changes reflecting geomagnetic excursions and reversals.
4. A related phenomenon, a geomagnetic excursion, amounts to an incomplete reversal, with no change in polarity.
5. Except for recent periods of the geologic past, it is not well known how frequently geomagnetic excursions occur.
6. It's difficult to find geomagnetic excursion in a sentence. 用geomagnetic excursion造句挺難的
7. A minority opinion, held by such figures as Richard A . Muller, is that geomagnetic excursions are not a spontaneous processes but rather triggered by external events which directly disrupt the flow in the Earth's core.