因为这个原因，当令牌已被初始化并且假设指定的槽并不总是包含期望的令牌时，应用程序应该通过所提供的令牌标号找到特定令牌。

For this reason, applications should locate the specific token by the token label provided when the token is initialized and not assume that a specific slot always contains the desired token.

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对于本章节来说，下面原型的产生是关于 Web 应用程序的，代替 Web 应用程序配置中的标号 4 和标号 5。

For this section, the following assumptions are made about the Web application, replacing numbers four and five in Web application configuration.

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我们将在程序中用这个标号来引用这个位图。

We will use this label to refer to the bitmap in the program.

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