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  1. OR

    • abbr
      operational research.;Oregon (in official postal use).
    • noun: OR

    • 釋義
    • 相關詞
    • abbr
    • 1. operational research.
    • 2. Oregon (in official postal use).
    • 3. other ranks (as opposed to commissioned officers).
    • n. a naturally occurring solid material from which a metal or valuable mineral can be profitably extracted:

    • a good deposit of lead-bearing ores

      the mine's reserves of ore

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    • abbr Oregon.

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    • n. a naturally occurring solid material from which a metal or valuable mineral can be extracted profitably:

    • a good deposit of lead-bearing ores

      the mine's reserves of ore

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    • abbr Oregon.

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    • n. a Boolean operator working on two variables that has the value one if one but not both of the variables is one.

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    • n. a Boolean operator working on two variables that has the value of one if one but not both of the variables has a value of one.

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    • ph. another name for the Erzgebirge

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    • ph. another name for the Erzgebirge

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    • abbr
      operational research.

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  2. 知識+

    • nor / or 的用法

      or 與 either 或 whether 連用引導另一個選擇。 ex: Most aircraft accidents occur at either take-off or landing. (大多睥空難發生在起飛或降落時。) ...18vi2.gif 2011-02-22 23:27:03 補充: 更正一下錯字: 以 or 連接的主詞,其後的動詞人稱數一般應與所靠近的主詞...

    • or so 和 or thereabouts

      or so 和 or thereabouts 表示數量、數額、距離等的「大約」approximately 時,意思差不多。 It'll only cost 15 dollars or so. We'll see you at 9 or thereabouts. 可以寫成 It'...

    • 英文 or的用法

      or當 "或" 的時候基本上是當對等連接詞使用。它連接兩個詞性相同的字。例如:名詞對應名詞,動詞對應動詞等等。 or當 "或"和"否則"最好的方法就是看"逗點"。 ex: 1. He will take the blue...