让我们看看另一首诗来作为结尾吧，一首晚期的诗，1947年发表的“指令。”

Let me conclude by just pointing to another poem, a late poem, "Directive," a poem published in 1947.

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清单1首先获得对指定电子表格条目的引用，然后获得该条目的工作表提要。

Listing 1 first obtains a reference to the named spreadsheet entry and then obtains that entry's worksheet feed.

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在使用索引表的情况下，DB 2首先对索引表执行索引查找，然后将对应的行和包含CLOB的主表相结合。

With side tables, DB2 first performs an index lookup on the side table and then joins the corresponding row with the main table that contains the CLOBs.

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