将字段从static改为非static。

Changing the fields from static to nonstatic.

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清单3展示了如何将字段从连接器映射到相关模块。

Listing 3 shows how to map fields from the connector to the module in question.

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首先，必须把字段从单个实例变量修改成字段和值组合构成的散列表。

First, you must change the fields from individual instance variables to a hash table of field and value pairs.

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