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| 1. | Since the last maximum, the number of satellites in orbit has increased sixfold, to more than 600. |
| 自上次太阳活动高峰以来，地球轨道中的人造卫星增加了六倍，达到600多颗。 |
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| 2. | During the last maximum, says Ernie Hildner, director of NOAA's Space Environment Center, "the Concorde's |
| 在上次太阳活动高峰期，NOAA太空环境中心主任厄尼·希尔德纳说：“协和飞机的黄色警示灯亮了五次，但红色警示灯却始终未亮过。” |
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