| 摘要 |
PROBLEM TO BE SOLVED: To reduce the burden of maintenance works of simulators at a plurality of water treating sites and to adequately update a model, etc. SOLUTION: The simulators (a model) 130 of a plurality of water treating sites 20 are controlled by a central processing unit 110 of a center 100, and the simulations of a plurality of water treating sites are performed by the central processing unit 110 of the center 100, and the results of the simulations are transferred to the water treating sites 20 performing the simulation via an information network 50.
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