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单词 sun-spot cycle
释义
sun-spot cycle
  • 简明释义
  • 太阳黑子周
  • 网络释义
  • 1

    ?太阳黑子周

    ... 日斑 ; 太阳黑子 sun-spot 日斑周;太阳黑子周 sun-spot cycle 日斑指数 sun-spot index number ...

短语
  • 权威例句
  • 1.

    Climate scientists have already looked at changes related to Sun spot activity - a cycle of approximately 11 years - and long-term changes in the Sun's brightness, which has a cycle that lasts for centuries.

    BBC: Viewpoint: The Sun and climate change

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更新时间:2025/8/14 12:57:23