In addition, the object types must be such that a reasonable default instance can be determined from among a set of different instances of the same type.

另外，对象类型必须是可以从相同类型的不同实例的集合中所能确定的一个合理的缺省实例。

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However, this application must now be surfaced as a service, and it will need to adhere to a different set of nonfunctional requirements that existed when the original application was created.

不过，此应用程序现在必须作为服务公开，而且将需要满足与创建原始应用程序时不同的一组非功能需求。

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Editing a post is slightly different: you must first create a new post, and then set its ID to the ID of the post you wish to replace. Listing 7 illustrates.

编辑帖子稍微有点不同：您必须首先创建一个新帖子，然后将它的ID设置为您希望替换的帖子的ID。

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But each contract must go through so many different agencies, each with its own set of rules and regulations, that work is often brought to a crawl.

CNN: Katrina red tape holds lessons for stimulus, mayors say