The water quality not only affects the water volume effective supply, but also involves to the people's healthy.

水质不仅影响到水量的有效供给，更涉及到使用者的健康安全。

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Enabling tracing causes adverse effects and is not very effective under high call volume.

启用跟踪会导致不良后果，且在高调用量下也不是十分有效。

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The working chamber is rectangular so as to achieve the maximum of effective volume.

长方形工作室，使有效容积达到最大。

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However, I have found that combining this scan with the monthly analysis of the chart, relative performance, and on-balance volume can be quite effective in identifying good buying opportunities.

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In September, the EPA put forth a new Mandatory Emissions Reporting Rule that will require all facilities that directly emit or supply products or fuels that discharge more than 25, 000 metric tons of carbon dioxide a year to report those emissions by volume and source annually, effective January 2010.

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This huge volume of data creates a need for cost effective digital storage.

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