然而，混合动力汽车性能，特别是动力性和经济性的评价与改进，不但需要理论仿真，更需要大量的试验分析。
However, evaluating and improving HEV performances, especially dynamic and economical performance, not only needs theoretic simulation but also needs vast test datum analyzing.
本文简单地介绍了经济评价的方法，并以我国东南沿海地区为对象，对核电与煤电的经济性进行了比较。
The method of economic evaluation is described briefly in this paper, The economy of nuclear power is compared with coal power targeting the Southeast Seaside.
从实用性和经济性的角度评价了灌浆技术在高速公路上应用的可行性。
The feasibility of technique for pouring past applied in highway was evaluated in view of practice and economy.
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