During this information relay there's a margin for error; the wrong data could end up in the policy number field.

在这种信息中继过程中，可能出现错误；保单编号域中可能会出现错误的数据。

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In a field where a large number of development projects are chasing small amounts of funding, getting solid data is essential for making the necessary improvements, he says.

作为大量开发项目正在角逐少量资金的这样一个领域，得到可靠数据对于获得必要的进展是必须的，他说。

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Reserved extended table field: Pre-define a fixed number of additional data columns in each table with a generic column type (e.g. varchar).

保留的扩展表字段：在每个表中预先定义固定数量的额外数据列，这些列采用通用列类型（比如 varchar）。

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