80年代美国增加的大多数就业机会都来自高科技和服务行业，而且集中在城市及周边地区，主要是东海岸和西海岸各州或靠近这两个区域的各州。
Most of America's job growth of the eighties came in the high-technology and service sectors, and was concentrated in and around urban areas, primarily in states on or near the East and West coasts.
这一区域的翻新工作主要集中在天花板，已取代了整个浴室虽然棕色的木桁架屋顶已经被漆成白色。
The refurbishment work in this area has mainly been concentrated on the ceiling, which has been replaced throughout the baths while the brown timber roof trusses have been painted in white.
两日来，搜索区域主要集中在这片海域，这些图片就是在搜索海域附近拍摄到的。
The imagery is in the vicinity of the search area defined and searched in the past two days.
发球落点区域主要集中在中区，中区及后左区得破率相对较高。
Serving placement region mainly concentrates in the central district, the break rate of central district and the left district is relatively high.
区域奥运场馆主要集中在奥林匹克公园内，如国家体育场、国家游泳中心、国家体育馆、曲棍球场、射箭场、网球中心、英东游泳馆等。
The Olympic Stadiums mainly concentrate in Olympic Green, such as National Stadium, Water Cube, Hockey Field, Archery Field, Tennis Center, Yingdong Swim Palaestra, etc.
结果发现：干旱区LUCC热点区域主要集中在绿洲-荒漠交错带，并具有整体变化不大，但局部变化剧烈的特点。
As the result, we find: the most distinct features of LUCC in arid area mainly appeared in the oasis-desert interlocked belt, and the whole change is not obvious, but the partial variation is sharp.
已有的关于集聚经济的研究主要集中在产业水平或者区域经济水平，缺少从组织结构层次的分析。
The existing researches on agglomeration economy are mainly restricted within an industrial level or regional economy level examination, and there is little analysis of organizational level.
由于语音信号是时频稀疏的，语音信号的能量主要集中在某些窄带上，且各语音源的能量集中区域不交迭。
The speech is sparse in time-frequency domain, so the energy of voice signal only concentrates on some narrow frequency, and the energy of voice sources are not overlap each other.
结果金铁锁主要集中分布在横断山区，同时云南中部、东北部和贵州西北部也是一个相对集中的分布区域。
Y. Wu distributed mainly in Hengduan Mountains. In addition, it was also relatively concentrated in the middle of Yunnan, the northeast of Yunnan and the northwest of Guizhou.
由于约束较少，孔洞周围和两孔洞间的区域塑性变形较大，晶体的转动和滑移主要集中在孔洞周围以及两孔洞间的区域。
The rotation of the crystalline lattice and plastic activity on slip systems are mainly concentrated in the region around voids.
实验结果表明，层板内部的流动情况随其结构的变化而变化，这种变化主要集中在扰流柱附近区域。
The result shows that the flow inside the lamilloy varied when the structure is different from one to another, and the changes are mainly close-by the area of pin-fin.
这次建筑的改造主要集中在一个由中庭(那里原有的石柱子现在还得以保存)和后院组成的中央核心区域。
This architectural intervention was mostly focused on the central core consisting of the main courtyard (whose original stone columns were conserved) and a small backyard.
除这些区域以外，位于黄岛区的青岛经济技术开发区也修建了一批写字楼，主要集中在长江路和江山路一带。
Other than these areas, there are also several office projects, mainly in Changjiang Road and Jiangshan Road in the Qingdao Economic & Technological Development Area located in the Huangdao District.
城市燃气输配系统主要分布在人口和建筑物集中的区域一旦发生火灾爆炸事故，将会造成严重的人员伤亡和财产损失。
The distribution system of city gas lies in the people and buildings gathering area. Once a gas fire and explosion accident happens, large people injuring and property loss will be caused.
距离阴极越远的位置产生的离子对阴极的损伤不主要集中在中心区域，而是弥散性的；
The ions produced far away from cathode have smaller effects on cathode, and their damage to the cathode does not concentrate on the center but is distributed everywhere;
距离阴极越远的位置产生的离子对阴极的损伤不主要集中在中心区域，而是弥散性的；
The ions produced far away from cathode have smaller effects on cathode, and their damage to the cathode does not concentrate on the center but is distributed everywhere;
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