start dial signal delay 开始拨号信号时延
If the wave condition is same, with the increasing of sediment size, the scour and deposition patterns can be classified into DSD type, SDSD type and DSDS type.
在相同波浪条件下,随着泥沙相对粒径的由细变粗,堤前冲淤形态可分为DSD型、SDSD型和DSDS型。
But average R-R intervals, maximal R-R intervals, minimal R-R intervals, SDSD twice consecutively and position of main frequency at high frequency were higher significantly than those of students from common department ( P < 0.05);
而平均R-R间期值、最大的R-R间期值、最小的R-R间期值、连续两次R-R间期之差的标准差、高频段频峰的位置均显著高于普通系学生(P<0.05);
英语网 · 商务英语
英语网 · 双语娱乐资讯
英语网 · 高中英语
英语网 · 中考英语