本文针对调高机构的特点，提出设计指标，建立数学模型，优选有关参数。
The paper points out the design index, sets up mathematical model and optimizes the relevant parameter with reference to the feature of the ranging mechanism.
虽然德意志银行已表示不会抬高出价，但可能不得不自食其言，未来几周或调高出价，以便赢得一些大型机构股东。
Although the Deutsche Bourse has said it will not raise its price, it may have to eat its words and do so anyway in the next few weeks in order to win over some large institutional shareholders.
美国调高债务上限后，中国唯一一家评级机构——大公国际周三宣布，将美国主权信用评级从A +下调至a，评级展望为负面。
China's only credit rating agency, Dagong Global, downgraded US sovereign debt on Wednesday to a from a + with a negative outlook due to the higher debt ceiling.
美国调高债务上限后，中国唯一一家评级机构——大公国际周三宣布，将美国主权信用评级从A +下调至a，评级展望为负面。
China's only credit rating agency, Dagong Global, downgraded US sovereign debt on Wednesday to a from a + with a negative outlook due to the higher debt ceiling.
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