Stanhill and Cohen have pegged the solar reduction at 2.7 percent per decade over the period from 1958 to 1992.是什么意思_Stanhill and Cohen have pegged the solar reduction at 2.7 percent per decade over the period from 1958 to 1992.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句