The tandem heat meter is not influenced by the decorative mode of radiator and artificial factor, having higher measuring precision, higher practicability and better economy.
串联热量表不受散热器装饰方式及人为因素的影响，计量精度高，实用性高，经济性优。
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This paper introduces the principles and methods of implementation of whole-network intelligent business of tandem office mode, and probes into the network security and disaster recovery technology.