magnetic polarity造句
1. We are stabilizing the shift in magnetic polarity so that it doesn't fall apart prematurely.
2. Throughout the past, the magnetic polarity of the Earth has abruptly flipped and is evident in the orientation of magnetic minerals in some rocks.
3. The magnetic polarity reversal polarity reversal record is often illustrated by means of a column with black and white intervals depicting the two polarity.
4. The magnetic polarity reversal record is often illustrated by means of a column with black and white intervals depicting the two polarity.
5. In order to overcome traditional DC motor disadvantages such as spark because of mechanical commutation, magnetic polarity changeable DC motor has become a new development of motor brushless.
6. They claim a relationship between the rotation and the magnetic polarity of Earth, which does change irregularly, with a magnetic reversal taking place every 400,000 years on average.
7. After the occurrence of flares either the arrangement of magnetic polarity or the neutral line of the longitude field tends to a relatively stable state.
8. The second dating method was palaeo - magnetic analysis, or magnetic polarity stratigraphy.
9. They clfunction a relationship within the rotation and the magnetic polarity of Earth, which does change irregularly, with a magnetic reversal taking place every 400,000 years on audio-videoerage.
10. Based on the magnetostratigraphic study at this section, a magnetic polarity sequence of the Dabeigou-Dadianzi Formation has been established.
11. An indicator that the sun's magnetic field is reversing is the appearance of sunspots with the reverse magnetic polarity than normal.