From the point of view of purchasing and distribution, each industry is a value chain system composed of multiple sales projects.
从购销角度看，每个行业都是由多个销售工程构成的价值链系统。
The proposed multiple petroleum system is one of the results of nativeness in the system, with wide distribution in China.
复式石油系统的提出，是石油系统本土化的结果之一，它在中国有广泛的分布。
The use of the multiple functions of switch in access-control can realize the distribution security system, and implement the security management for the network and the users.
利用中心交换机的多种访问控制功能，可构建一个分布式的网络安全交换体系，以实现对网络和用户接入的安全管理。
Water distribution system is a pipeline network which deliver water from single or multiple supplying sources to consumer.
供水管网是将水从单一或多个水源地输送到用户的管线网络。
Water distribution system is a pipeline network which deliver water from single or multiple supplying sources to consumer.
供水管网是将水从单一或多个水源地输送到用户的管线网络。
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