既符合当前服务需要，又具备良好的系统可扩展性和升级能力。
It accords with the demand of current service, also has the possibility to extend and the ability to upgrade.
区域产业核心竞争力的来源，即区域产业结构竞争力、区域产业组织竞争力和区域产业升级能力。
The core competence of regional industries comes from the structural competitiveness, the organizational competitiveness, and the elevating capacity of regional industries.
升级能力： 以他们的更小的大小， 真空破碎机式样翻新也许使成为可能升级互换机中断的能力在现有的结构。
Upgrade Capabilities: With their smaller size, vacuum breaker retrofits may make it possible to upgrade switchgear interrupting capabilities in the existing structure.
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