The number of fields recorded in history has a further impact on performance.

在历史中记录字段会进一步影响性能。

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ErrorBO contains a number of fields that define the behavior that the client and service provider will exhibit.

ErrorBO包含许多字段，这些字段定义客户端和服务提供程序表现的行为。

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All data in a CouchDB database is stored in a document, and each document can be made up of an undefined number of fields.

CouchDB数据库中的所有数据都储存在一个文档中，并且每个文档可以由未定义的字段组成。

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Major concerns over delays in the construction of facilities, including stadium updates and practice fields at a number of the eight venues spread across the country, seem to have been resolved at the last moment.

VOA: standard.2009.10.22

In a number of fields cattle in very poor condition were observed.

BBC: Alyth farmer John Ferguson banned from keeping animals

In recent years, a number of fields have begun to wrestle with this problem, but none with such profound social consequences as the profession of teaching.

NEWYORKER: Most Likely to Succeed

Reconnection is a fundamental aspect of the behaviour of plasma, so the ability to observe it in detail will benefit a number of fields of research.

ECONOMIST: Hot stuff