That is, it copies the character in the same column from the line immediately above the cursor. For example, a CTRL-Y in the following situation would insert an "m" at the cursor.

也就是说，它将从紧挨着游标的上一行中复制同一列中的字符。

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"The insert has an exclusively defensive character and not the purpose of establishing a no-fly zone, but the de-escalation of the border, " the German army website, Bundeswehr, said.

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