| 1. | Active faults or tectonic lines are clear boundaries between a very active region and a quiet region .
活动断层或构造线是强烈活动已和平静区之间的清晰边界。 |
| 2. | Gth is the active region gain required to offset losses in the regions exterior to the active region .
Gth是为了补偿在有源区以外的区域中的损失所要求的有源区增益。 |
| 3. | Active regions are in a sense the fundamental unit of solar activity and the most persistent and visible manifestation of solar magnetism .
在某种意义上说，活动区是太阳活动的基本单位，也是太阳磁性最持久的和看得见的表现形式。 |
| 4. | Coronal active region
日冕活动区 |
| 5. | Image taken by trace , showing a magnetically active region at the edge of the sun
由trace拍摄的照片，显示出太阳边沿的磁力活跃区。 |
| 6. | Image taken by trace , showing a magnetically active region at the edge of the sun
由trace拍摄的照片，显示出太阳边沿的磁力活跃区。 |
| 7. | ( 2 ) there is a complex magnetic field in the active region before the flare eruption
( 2 )耀斑爆发前，该区域内出现复杂的磁位形。 |
| 8. | Gth is the active region gain required to offset losses in the regions exterior to the active region
Gth是为了补偿在有源区以外的区域中的损失所要求的有源区增益。 |
| 9. | The prediction of energetic events and " space weather " therefore depends on observation of sunspots and active regions
要准确预测太阳的高能活动和太空天气，有赖对太阳黑子和太阳上活跃区域的长期监察。 |
| 10. | We began our search in one of the world ' s most seismically active regions ? the san andreas fault system that runs through california
我们从全世界地震最活跃的区域著手：绵亘美国加州的圣安地列斯断层系统。 |
