异步获取耗时操作的结果。

Getting the long-running result asynchronously.

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这是一个耗时的操作。

This can be a time-consuming operation.

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操作程序复杂、耗时长。

And the operation is complicated and time consuming.

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方法执行耗时的操作。

The method performs a time-consuming operation.

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该制备方法，工艺简单，操作条件较温和，重复性好，容易放大，而且耗时短。

The inventive preparation has simple process, warm operation condition, better repeated property, and short time.

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该制备方法，工艺简单，操作条件较温和，重复性好，容易放大，而且耗时短。

The inventive preparation has simple process, warm operation condition, better repeated property, and short time.

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