简述餐饮市场细分的原则和依据。
货车厂、段修时，脱轨自动制动装置质量保证期限为（）。 6个月。 1年。 1个段辅期。 1个段修期。
The administration staff of a large computer complex is resisting the installation of HACMP. There Are concerns about the difficulty of managing and administering an HACMP cluster without an "administration only" network. Adding adapters to create an administration network is not possible due to limitations on the number of open IO slots in the servers. What can be done to address this issue？（） Create HACMP persistent IP labels for administration purposes.。 Use HWAT to ensure the correct MAC address is available at all times.。 Nothing can be done because RPAT is a characteristic of HACMP that cannot be changed.。 Use IP aliasing within HACMP to allow the administrators constant access to the nodes.。
下列哪种情况不是溶血性苏疸的特征（） 皮肤搔痒。 红细胞脆性改变。 涂片中可见球形红细胞。 血液中网织红细胞增加。
IBM DS5000 系列中，多通道管理软件是免费的。
信息通信行业的发展主要趋势有哪些？（）
