The optimal sprinkler configuration of center-pivot irrigation system can be obtained with the model, at the same time, the demand flow and head pressure were given.

利用该方法和数学模型可确定中心支轴式喷灌机的最佳喷头配置方案，同时得出与该方案相匹配的机组入机流量和入机压力。

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Studying customer choice may facilitate accurate preference information exploration hence a better product line decision and then an expected effect on the market demand flow.

因此，研究 顾客选择有利于企业充分准确地掌握 顾客的偏好信息，从而 根据这些信息进行企业的产品线优化决策，以引导市场 需求流向本企业。

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During periods of low demand, jockey pumps are used to meet these lower water flow requirements.

在需求较低的时期，赛马泵用于满足这些较低的水流量要求。

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President Obama says the United States must reduce its demand for drugs and do its part to reduce the flow of guns and money to Mexico.

VOA: special.2009.04.18

While demand data flow continues to show robust readings, it will be important to monitor how the recent spike in market volatility will impact private consumption going forward, wrote Guilherme Loureiro, a Brazil analyst for Barclays Capital.

FORBES: Brazil Retail Sales Ignore Slowdown; Inflation Battle Continues

The drop in inventory may presage surging imports as firms restock, meaning that growing demand will simply flow abroad, as has often happened.

ECONOMIST: A surge of good omens, apart from jobs

But REIT executives say the outlook is positive and point to strong dividends, cash flow and demand from small to medium-size tenants.

WSJ: Data-Center REITs Lose Favor