multiple instances pattern的意思|示意

But in cases where lines can have multiple instances of a particular pattern, these methods do not give you a true count of the actual number of instances matched.

但是在行中具有某个特定模式的多个实例的情况下，这些方法无法为您提供实际匹配实例数量的真实计数。

This pattern could be used where multiple instances of a service provider are hosted in different geographical centres and the appropriate service is selected based on account details.

此模式用于地理位置分散的中心中承载的服务提供者的多个实例的情况，将基于帐户详细信息选择相应的服务。

To create multiple instances of a registered type, use the factory pattern to create an object manager that is registered with the application and then manages the multiple instances.

若要创建已注册类型的多个实例，请使用工厂模式创建一个对象管理器，该对象管理器将向应用程序注册并管理多个实例。

Unless the Settings wrapper class is designed using the singleton pattern, there can be multiple instances of the same application Settings class in a single application.

除非使用单一实例模式来设计设置包装类，否则单个应用程序中可能存在同一个应用程序设置类的多个实例。