In this paper we proposed a EV model of energy hybridization with high energy and high power for great acceleration and long ranges and improve the whole system properties.
为了获得大加速度和长距离，同时改善整车性能，本文提出了一种高能量密度和高功率密度的混合能源的纯电动汽车模型。
The available ranges of production scale are determined based on the analysed result. The method to get the best production scale is determined for getting the most profit in the whole mine.
并确定了生产规模的可行范围，并以矿井生产寿命期内获得净收益现值最大为目标，给出了一种确定矿井最优生产规模的经济数学方法。
A supply chain as a whole ranges from basic commodities (what is in the ground, sea or air) to selling the final product to the end-customer to recycling used product...
供应链作为一个整体，包括从基本商品(来自土地、海洋或天空)到把最终产品销售给客户，以及使用过的产品再循环的过程。
Two impellers are redesigned using the optimization system. In the whole mass flow ranges at design rotating speed, the efficiency is improved obviously and the pressure ratio keeps nearly unchanged.
采用所研制软件，对两个离心压气机工作轮进行优化设计，优化工作轮达到在压比近似不变的前提下效率有效提高。
Two impellers are redesigned using the optimization system. In the whole mass flow ranges at design rotating speed, the efficiency is improved obviously and the pressure ratio keeps nearly unchanged.
采用所研制软件，对两个离心压气机工作轮进行优化设计，优化工作轮达到在压比近似不变的前提下效率有效提高。
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