通过该示例，可得出以下用于并行处理数量不定的实例的通用模式。

The example suggests the following general pattern for parallel processing of a dynamic number of instances.

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假设该消息由信息头部分和一些条目组成，这些条目大小相同，但数量不定。

I will assume that the message consists of a header part and a variable number of items that have the same size.

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一个带参数的查询也可以将一组数量不定的参数作为它的绑定参数。

A parameterized query also takes a variable number of arguments as its binding parameters.

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