When it detects a potential update target, the federated system avoids using the block fetch feature in order to maintain the remote cursor position.

当检测到一个潜在的更新目标时，联邦系统避免使用块读取特性，以维护远程游标的位置。

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Leaving the cursor conveniently in the middle of the newly closed block.

让光标留在一对花括号的中间，从而为输入提供方便。

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Position the cursor over a block of SQL text.

将游标置于SQL文字区块上方。

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By using the cursor to select smaller and smaller groups of letters within this block, a patient can eventually indicate which letter he wishes to add to the message he is composing.

ECONOMIST: Neurology