observation line

　
英 美
  • 觀(guān)測線(xiàn),觀(guān)察線(xiàn)

observation line的用法和樣例：

例句

  1. During that first exploration, we traced the major east-west fault line, called the Delphi fault, that de Boer had observed during the earlier survey.
    在第一次的調查期間，我們追查主要的東西向斷層線(xiàn)，即狄波爾在較早的調查曾觀(guān)察過(guò)的斷層，名叫德?tīng)柗茢鄬印?/li>
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