项目必须提供经济动机，不得以慈善目的进行募捐，或涉及违禁物品。
Projects cannot fund raise for charity, offer financial incentives, or involve prohibited items.
尽管我不是经济学家，我也曾了解积极的动机是很重要的。
While I am not an economist, I have read that positive incentives are important.
三相异步电动机的轻载运行，是很不经济的。
The running of electric motor with light load is not economic.
压力损失则影响着发动机动力性和燃油经济性。
Press losing can influence dynamics of engine and economy of fuel.
因此，对异步电动机节能装置的研究有着重大的经济效益和社会效益。
The study of saving energy in asynchronous machine is very important to economy and society.
据认为这种新的发动机是同类发动机中最经济的。
The new engine is claimed to be most economical of all its predecessors.
使用合成发动机油有明显的经济优势。
It has a significant economic advantage utilizing synthetic engine oil.
通过该项仪器的应用，发动机厂取得了良好的经济效益。
By use of this equipment, some engine factories have obtained very good resulds.
没有别的汽车发动机能比得上它的坚牢耐用和经济实惠。
No other automotive engine has been able to equal its toughness and economy.
同时，发动机的燃油经济性也得到了改善，最大降幅达到了3.62%。
Meanwhile, the engine's fuel economy also improved, the biggest drop has reached 3.62%.
俄罗斯经济的发动机已经开动了吗？
俄罗斯经济的发动机已经开动了吗？
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