An observer can accurately measure the night sky brightness by taking pictures sky using digital cameras.

  • 观测者利用数码相机拍摄夜空,可准确地量度夜空光度.

  • 互联网摘选 2025-01-19 23:14:58

    • 相关例句
    精确
    • 模糊
    • 词首
    • 词尾
    • 词义
    • 例句