Aimed at the production characters and problems which exist in gasoline fractionator in large-scale ethylene units, high strength three-pass tray technology is exploited.

针对大型乙烯装置汽油急冷生产特点和存在的问题，开发了大型乙烯装置汽油急冷高强度三溢流塔盘关键技术。

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The rain had stopped during the forenoon and three times we had heard planes coming, seen them pass overhead, watched them go far to the left and heard them bombing on the main highroad...."

VOA: special.2011.06.26

And in this case, we go from 8 to 4 to 2 to 1 three times and then on each iteration of this algorithm, each pass across the board I'm touching N numbers, so that means I'm doing N things, log N times.

在这个例子中，我们从8得到4，到2，再到1，是3次,在这个算法的每次迭代中，每一趟我都会操作N个数，也就是所我每次要做N步操作，一共要做，log，N，次。

哈佛公开课 - 计算机科学课程节选

The whole draft was equally lacking in glamour: The top of the first round featured three offensive tackles, a guard and three pass rushers in the first seven picks.

WSJ: Tackles Fisher, Joeckel Selected One, Two in NFL Draft

Offensively, fans groaned and analysts noted the lack of explosion on the outside a notion that made sense, given that the Jets finished last season with a league-low of three pass plays of 40 yards or more (They were also one of just six NFL teams to finish the year without a run of 40 yards or more).

WSJ: Jets Aren't Exactly Fleet of Foot

Two out of three people pass the test, but it's harder to gain access to more campaigns.

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