Research on the compound decision model of the price structure and bankcard consumption.
银行卡网络价格结构与刷卡消费组合决策模型研究。
The consumption structure, industry and market development trend of lead and lead-acid battery were analyzed.
分析了铅和铅蓄电池的消费结构、工业和市场发展趋势；
In the structure of energy production and energy consumption, coal occupies pretty large proportion.
消费结构中，煤炭占有相当大的比重。
Low wear of the piston structure, large capacity and low air consumption.
低磨损的活塞结构，容量大而低耗气量。
Developed countries, energy consumption structure, a large proportion of the oil.
发达国家的能源消费结构中，石油所占比例很大。
Developed countries, energy consumption structure, a large proportion of the oil.
发达国家的能源消费结构中，石油所占比例很大。
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