CCEUP has a wealth of engineering experience and a fixedchannel 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。
2
The channel assignment problem belongs to the class of NP complete optimization problems, so we propose a new fixedchannel 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。
3
At present , the company has a more fixedchannel of manganese ore purchasing and ferroalloy supplying , thus it might guarantee the company stable goods supplying and selling .