CCEUP has a wealth of engineering experience and a fixed channel in the petroleum chemical industry.

中能油联（CCEUP）在石油化工行业有着丰富的工程信息行业经验和固定的渠道。

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The channel assignment problem belongs to the class of NP complete optimization problems, so we propose a new fixed channel assignment approach based on genetic algorithms.

信道分配问题属于组合优化中的NP完备问题，为此在遗传算法的基础上提出了一种新的固定信道分配方法。

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At present , the company has a more fixed channel of manganese ore purchasing and ferroalloy supplying , thus it might guarantee the company stable goods supplying and selling .

现公司已有较为固定的锰矿进货源和铁合金销售渠道，从而可以保证了公司稳定的供货和销售。

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By the time Donahoe's succession was announced in January of this year, he was returning to those "convenience-oriented buyers" and talking up Ebay as a channel for fixed-price sales.

FORBES: Too Smart for its Own Good

The companies listed in the Metals Channel Global Mining Titans Index are not fixed, but instead variable updating on a continuous basis to reflect the changing market environment with respect to commodity prices, government policy and market volatility.

FORBES: Analyst Favorites of the Metals Titans: Timken Co. Ranks As a Top Pick

Like the Internet, this kind of distribution channel has many nodes of activity and no fixed hub.

FORBES: Inside Dope