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。
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 SN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。
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；
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；
应用推荐