Third, using BCG matrix, SWOT and value chain theory to study the advantage in competition for GD Telecom, and discuss how to use this advantage to develop mobile communication service.
然后，运用BCG矩阵、SWOT及价值链等工具，详细分析了广东电信的竞争优势，并重点研究利用竞争优势拓展移动业务的策略。
The differentiations of cell require stable extracellular setting, intercellular communication and intracellular matrix, which jointly ensure the specific spatial structure of chromosomes in cells.
细胞分化状态的维持需要细胞外环境、细胞与细胞之间信息交流及其细胞内环境等共同作用，从而保证分化细胞染色体的特定空间结构。
According to the analysis of the security demand of multicast communication, a multicast key management scheme based on key matrix is proposed.
该文在分析组播通信安全需求的基础上，提出一种基于密钥矩阵的组播密钥管理方案。
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