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- magnetic polarity time scale 磁极性时间表
- geomagnetic polarity time scale 地磁极性时间表
- Magnetic polarity;ionic polarity. 磁极性，离子极性
- In evolution, a generation sets the time scale. 在进化中，一代有固定的时间尺度。
- PAF charts do not have a proportioned time scale. 点数图没有成比例的时间刻度.
- For an actual planetwide polarity reversal to occur, such a reversed flux patch would grow and engulf the entire polar region; at the same time, a similar change in overall regional magnetic polarity would take place near the other geographic pole. 如果整个行星的磁极要真的反转，反向通量斑块需扩大到涵盖整个极区；同时，另一个地理极点附近也会发生类似的区域极性全面变化。
- The magnetic field also varies on a century time scale, never aligning exactly with the geographic north pole. 磁场也改变一个世纪的时间刻度,从来没有与地理学的北极重合。
- The second dating method was palaeo-magnetic analysis, or magnetic polarity stratigraphy. 第二种测定法是古磁学分析法，也叫磁极地层学测定法。
- The motion at this time scale is clearly dominated by this model. 采用这种时间尺度时，运动显然由这种模式所决定。
- The cycles of the moon have been proven to affect the tides, magnetic polarity and human behavior. 已经证明月亮的运行周期会影响潮汐、磁极和人类行为。
- Putting a firm time scale on that remains foolhardy. 对此给出一个明确的时间表并非明智之举。
- The PMSM rotor magnet polarity is first identified using the proposed intelligent approach.Then it is smoothly started in synchronous motor mode in unidirection. 永磁同步马达转子之磁极位置先由所提之智慧型策略侦测判定，然后设定电流控制脉宽调变机构之启始相位，使PMSM以同步马达模式非反向起动。
- An indicator that the sun's magnetic field is reversing is the appearance of sunspots with the reverse magnetic polarity than normal. 太阳磁场正在倒转的一个指示，就是出现太阳黑子发生磁极颠倒的现象。
- Time Scales of Climate Response. 气候反响的时间尺度。
- We can do so from the very beginning during the making of the time scale. 在开始刻划时标时就可以注意到这一点。
- Under Day, in the Time scale list, click the grid interval for the calendar. 在“天”下的“时间刻度”列表中,单击日历的网格间隔。
- Evolution of stars of all masses takes place on a hydrodynamic time scale. 各种质量的恒星的演化，均以流体力学的时间尺度进行。
- On the geological time scale mankind has existed but for a brief moment. 人类在地质年代表中已经存在，但时间不长。
- Deltan Heliographers observe an irregularity in the magnetic cycle of the star Delta. The shift of the stars magnetic polarity which usually occurs every 12 years has occurred 1 year early. 德尔塔日光仪观察到星球德尔塔的磁极周期不规则性变化；该星球每12年移动一次的磁极变化刚刚在一年前发生过。
- The science which deals with the magnetic polarization properties of materials. 专门研究材料磁极化性质的一门科学。
