持续时间

However, steatosis was not related to duration of HIV, ARV exposure, or HCV coinfection.

但是，脂肪变性与HIV持续时间、ARV暴露或HCV合并感。

The pupil's attention span was short.

这个小学生注意力持续时间很。

So the bumpiness, the rising high altitude, and the long duration of these two things made this short distance of the road the toughest.

崎岖不平道路，逐步升高海拔，和很长持续时间使这段路程成为了最艰难一段。

It was proved that it is important to control the duration, intensity and supercompensation of overload training, which is of significance to the cardiovascular system.

这一结果证明，把握好负荷训练持续时间、强度和量恢复对心血管系统至重要。

The two transpolar shortwave time signal circuits,Moscow and Irkutsk to the Great Wall Station in Antarctica, are used to study the fading characters for shortwave long circuit.

为了研究过极区长电路衰落特性，在南极长城站收测莫斯科、依尔库茨克授时台信号，并给出各频率对应衰落深度、衰落率、衰落平均持续时间等参数统计特征和衰落幅度分布曲线。