If it renamed Zhengding, it looks like that Shijiazhuang was fallen under Zhengding borders, become a accessory of Zhengding.

如果改名正定，像是石家庄划到正定境内，成为正定的附属品。

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Conclusion the thrombolysis therapy is a first selection therapy for acute and chronic arterial occlusion and is a accessory treatment for PTA.

结论溶栓治疗是急慢性动脉闭塞症的首选治疗方法，是PTA治疗的重要辅助措施。

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The company serves the national automotive aftermarket with a broad range of accessory and recreational-vehicle products.

该公司为全国机动车售后市场提供各种配件和休闲车产品。

《柯林斯英汉双解大词典》

Today, any company thinking of producing a new kind of digital device must seriously consider the risk that such a product's functionality can be matched by smartphone-resident apps and a potential accessory (a lesson more recently learned by mobile e-mail appliance maker Peek, which has refocused its business on software and cloud services for other handsets).

ENGADGET: Switched On: When the smartphone giveth, Part 2

Nokia also debuted two in-car navigation devices this year and a GPS accessory that turns any Bluetooth phone into a personal navigator.

FORBES: Nokia Redraws The Map

The RuggedKey is a great accessory for an adventure photographer who needs a way to keep his photos protected and accessible while on the road.

ENGADGET: Lacie USB 3.0 RuggedKey now shipping: $40 for 16GB, $70 for 32GB