There was a significant difference between cord arid serum bilirubin (P<0.001).
脐血胆红素与血清胆红素间差异非常显著（P<0.001）。
P. to present, a warm semi-humid and semi-arid stage.
至现在温暖半湿润、半干旱阶段。
The random stress of torsion rod spring may be calculated after road surface, vehicle speed arid constructional parameters are given, and service life may be estimated according to P-S-N curve.
在给走路面、车速、结构参数后，可计算出扭杆的随机应力，并根据P - S - N曲线估计出扭杆的寿命。
The random stress of torsion rod spring may be calculated after road surface, vehicle speed arid constructional parameters are given, and service life may be estimated according to P-S-N curve.
在给走路面、车速、结构参数后，可计算出扭杆的随机应力，并根据P - S - N曲线估计出扭杆的寿命。
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