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车头时距（Headway）
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更多 “车头时距（Headway）” 相关考题
考题
不受交叉口影响的路段通行能力中,一条机动车道的路段可能通行能力可用以下哪几种算法来确定()。
A、按“车头间距”计算B、按“进出车辆数”计算C、按“进出口车辆密度”计算D、按“车头时距”计算
考题
In the Northern Hemisphere you are caught in the dangerous semicircle of a storm with plenty of sea room available. The best course of action is to bring the wind on the ______.A.port quarter and make as much headway as possibleB.starboard quarter and make as much headway as possibleC.starboard bow and make as much headway as possibleD.port bow and make as much headway as possible
考题
下列几种情况中适宜使用负指数分布模型的是（）。A、车流密度不大，外界干扰很小的随机车辆到达概率；B、车流比较拥挤，自由行驶机会不多的车流到达概率；C、有充分超车机会的单列车流和密度较小的多列车流的车头时距分布；D、不能超车的单列车流的车头时距分布。
考题
单选题下列几种情况中适宜使用负指数分布模型的是（）。A
车流密度不大，外界干扰很小的随机车辆到达概率；B
车流比较拥挤，自由行驶机会不多的车流到达概率；C
有充分超车机会的单列车流和密度较小的多列车流的车头时距分布；D
不能超车的单列车流的车头时距分布。
考题
单选题The easiest way to anchor a vessel in a current is to（）.A
stem the current and make very slow headway when the anchor is droppedB
stem the current and be falling aft very slowly when the anchor is droppedC
stem the current and endeavor to make neither headway nor sternway when the anchor is droppedD
stop all headway through the water and keep the current astern when the anchor is dropped
考题
单选题In the Northern Hemisphere you are caught in the dangerous semicircle with plenty of sea room available. The best course of action is to bring the wind on the（）.A
starboard bow and make as much headway as possibleB
starboard quarter，and make as much headway as possibleC
port quarter，and make as much headway as possibleD
port bow，and make as much headway as possible
考题
单选题设车流的流量为Q辆/h，车头时距h服从负指数分布。则到达的车头时距h大于t秒的概率为（）A
exp（3600Qt）B
exp（-3600Qt）C
exp（-Qt/3600）D
exp（Qt/3600）
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