The association between resource drivers and activities was achieved by the corresponding classes and their associations within the metamodel.

利用元模型中相关的类与关联，建立了资源动因与活动的联系。

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A common definition of resource adapters is that they are system-level drivers to EIS.

资源适配器通常被定义为针对EIS的系统级驱动程序。

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If so, gas will be one of its main drivers, dwarfing even earlier resource booms in its scale.

如果是这样的话，天然气将会成为繁荣的主要驱动力之一，以它的规模甚至使之前的资源激增都相形见绌。

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But important drivers of services, such as new installations of enterprise resource planning software, are slowing down sharply.

FORBES: A shock to the system

But important drivers of services, such as new installations of enterprise resource planning software from SAP and others, are slowing down sharply.

FORBES: A shock to the system

The firm said some drivers were working overtime to reduce the impact and "a number of changes to the way we resource our train services" would also help.

BBC: Cancelled train sign