An area want to build a good regional image must enable to optimize and combine various resources and essential factors, which need to be reflected through certain medium finally.

一个地区要打造良好的区域形象，必须使得区域内各资源要素得到优化整合，经过优化整合的资源要素，其落脚点最终都要通过某些载体去反映。

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Small size bent housing screw drill with high build rate must be developed to meet the requirements of sidetracking the short to medium radius horizontal well.

螺杆钻具是其中的一项关键技术，其主要目的是研制满足侧钻中短半径水平井需要的小尺寸高造斜率的弯外壳螺杆钻具。

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In some medium-sized cities, the roads are enough for the traffic, and subway lines are not even necessary. It would be a waste to build subway lines.

而一些中等城市，地上交通资源一般都够用，建地铁其实没有必要，容易造成浪费。

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Mr Magag is said to be 6ft 2in tall, of slim to medium build, with a beard, although police say it is possible he may try to change his appearance.

BBC: Ibrahim Magag

Part of the park would be sold to a food operator to build a medium sized store which would help fund the scheme, the authority said.

BBC: Westbridge Park plan is Stone food festival 'death knell'