...超声学分会学术会议论文汇编》2010年 57,P0.01),RPI与MVD和PN显著正相关(r值分别为0.647、0.648,P0.01),而到达时间(arrival time,AT)、达峰时间(time-to-peak,TTP)与MVD、PN无相关性。
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火车到达英吉利海峡的时间比卡车更短，而货车可以通过驳船运到伯兰，驳船通常需要一个小时就能穿过英吉利海峡。
Trains can reach the channel more quickly than trucks, and freight cars can be transported to Burland by barges that typically cross the channel in an hour.
火车和汽车最初使人们可以住在相隔较远的地方，而不需要花费更长的时间来到达目的地。
Trains and cars initially allowed people to live at greater distances without taking longer to reach their destination.
来会和的人因为暴风雪而错过了约定时间，几天之后，当他们到达那里的时候，由于大雪的掩盖，他们已然找不到巴尔斯·路德的任何迹象。
The other party missed the rendezvous because of a blizzard, and by the time they got there, days later, the tracks were covered and they could find no sign of him.
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