例句與造句

1. The geomagnetic pulsations with periods of seconds to minutes as well as Alfv閚 waves belong to that type of waves.
2. It was named in honor of Graham Fraser, who has had some 45 years of Antarctic experience and led geomagnetic pulsation research over 11 seasons from 1989 onwards.
3. It's difficult to find geomagnetic pulsations in a sentence. 用geomagnetic pulsations造句挺難的