The de?ned process, using the materials and equipment speci? ed, should be shown to result in the consistent yield of a product of the required quality.

验证时，应使用规定的物料和设备，运行既定的工艺，持续得到的产品质量应符合要求。

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In other words, we expect that students do have an incentive to minimize their costs (unless the subsidy program is set up in such a way to negate that incentive), though the fact that students use price as a proxy measure for quality in higher ed likely significantly dampens this effect.

FORBES: Who Receives the Subsidy Really Does Matter

The ETF tracks a NYSE Arca index that selects stocks based on price and earnings momentum, earnings quality, management and value, says Ed McRedmond, senior vice president of institutional and portfolio strategies at Invesco PowerShares, the fund's sponsor.

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"We attracted a significant number of high-quality institutional investors, " said Manchester United Vice Chairman Ed Woodward.

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