Based on the fuzziness and impreciseness of river water environmental system, triangular fuzzy number is utilized to denote water quality information.

基于河流水环境系统的模糊性、不精确性，采用三角模糊数来描述和表征水质信息。

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Establish the terrace on water quality information system foundation, the science land utilization USES with adjust to control the it, realizes the water environmental protection target.

建立水质信息系统基础平台，科学地利用和调控水环境承载能力，实现水环境保护目标的实现。

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The annual water quality reports that utilities are required to send customers provide a partial picture, the study says, as they contain no information on unregulated chemicals.

这项研究表示，自来水公司会按要求每年向客户提供年度水质报告，包括部分照片，但他们没有提供关于法律限定之外化学物质的任何信息。

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With a new iPhone app, IBM hopes to change that and improve water quality and information about water supplies.

FORBES: IBM Launches iPhone App For Crowdsourcing Water Quality

"Scottish Water, the Scottish Environment Protection Agency (SEPA) and the local authorities already work closely with Keep Scotland Beautiful to ensure that the information provided to the public about water quality and short-term pollution incidents is accurate and up-to-date at the beaches, " he said.

BBC: Blue Flag beaches 'should lose top award'