EC Electronic Commerce 电子商务 ; 电子书 ; 准腾
EC electronic conductivity 电子导电率
EC Electronic Computer 电子计算机 ; 电子
EC-Electronic Cinema 电子影院
EC Electronic Cinema 电子电影
EC-Electronic Chart 电子海图
The failure diagnosis technology is an important constituent in the automobile electronic coned technology, and plays an important part in the maintenance of the EC system.
汽车故障诊断技术是汽车电子控制技术的重要组成部分，在电控系统的维修工作中起重要作用。
Electronic commerce can improve international competition and develop market efficiently for enterprises. At the same time, ec brings new challenge to the traditional SCM theory and method.
电子商务是未来企业提高国际竞争力和拓展市场的有效方式，同时，电子商务也为传统的供应链管理理论与方法带来了新的挑战。
EC-DEC, an electronic declaration system, was actively promoted to enable policyholders to declare their shipments to the ECIC in a much more cost-effective manner.
又积极向保户推广“易报信”电子申报系统，让保户更具成本效益地申报货运资料。
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