1986年起国家集训队女子铅球项目成立了攻关组，对铅球项目的本质进行了重新认识。
In 1986, a research group in the national female shot team was founded to re-recognize the essence of shot event.
可以说我国从“六五”开始的红矿(赤铁矿)攻关工作已基本达到了预期的目的，红矿选矿技术难题已基本解决。
It can be said that the key work on red iron ore (hematite) has reached expected goal from the "6th Five-year Plan" and has basically solved technical problem about mineral processing of red ore.
另一方面，对湖北省“十五”科技攻关重大项目有效性进行了分析，揭示出不同项目的DEA特征。
On the other Side, another analysis is conducted of the technological key projects undertaken during "the tenth five" period in HuBei, to reveal the DEA characters of different projects.
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