Pipe end its shape is divided into tube, square tube, rectangular tube, oblate tube, P-shaped pipe, rectangular pipe.

钢管因其端部外形又分成圆管、方管、矩形管、扁圆管、P形管、异型管。

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Single knife on 1 month after treatment and treatment of patients 3 months after the effective number of cases and the number of invalid statistics: chi-square test P <0.05, significant difference;

对单次针刀治疗后1个月与治疗后3个月有效病例数与无效病例数的统计显示：卡方检验P＜0.05，有显著性差异；

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Main characteristics of statistical accuracy for P-S-N curves are analyzed and the method for mean square error of P-S-N curves parameters by computer simulation is brought forward.

分析了反映P S N曲线统计精度的主要指标，提出了P S N曲线参数估计量的均方误差计算机模拟求法。

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Witnesses described a fast-moving series of events that unfolded at about 12:30 p.m. on the southbound platform of the 49th Street station near Times Square, a law-enforcement official said.

WSJ: Man Dies After Push Onto Track