对于那些有高成就需求的，通常是任何组织中的少数人，外部目标的存在就不那么重要了，因为高成就者已经在内部受到了激励。
For those with high achievement needs, typically a minority in any organisation, the existence of external goals is less important because high achievers are already internally motivated.
外部价值取向的活动是达成外部目标的一个方式，其价值在于获得该目标。
An extrinsically valuable activity is a means to an external goal; its value lies in achieving that goal.
另外，无线传感器网络节点自身的定位还可以应用于外部目标的定位和追踪、基于位置的路由协议等方面。
In addition, localization of nodes itself in wireless sensor networks can also be applied in localization and tracing of external target and location-based routing protocol and so on.
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