She says blacks who identify with the Democratic Party have fallen from the 90th percentile down to around 70 percent.

她说黑人中支持民主党的人数比例从百分之九十下降到大约百分之七十。

《柯林斯英汉双解大词典》

The 90th percentile for the response time.

第90个百分位数的回应时间。

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While any scaled score in the 40s is superb, 90th percentile is around 49 to 50.

在40年代任何一个分数段都可以说是不错的，但往往90%左右都集中在49到50分之间（？）

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In some instances performance on math tests increased from the 70th to 90th percentile, with similar results posted in all subject areas.

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In total, more than 5, 300 students entering kindergarten scored at the 90th percentile and above, which makes them eligible for an unspecified number of seats in district-based schools.

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As a result of this initiative at Rosebud IHS Hospital, breastfeeding initiation rates are now consistently in the 90th percentile and exclusive breastfeeding rates have continued to climb.

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