... 双头垄断(Duopoly) 经济效率(Economic c efficiency) 经济利润(Economi i cprofit) ...
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Economic c and technical efficiency 经济及技术实力
economic c efficiency
经济效益
以上为机器翻译结果,长、整句建议使用 人工翻译 。
The method has the advantages of readily available tulasnella c alospora resource, easy operation of impregnation, low cost, etc. , and has obvious economic and ecological efficiency.
本发明具有菌源来源容易,浸染方法易操作,成本低廉等优 点,具有显著的经济效益和生态效益。
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