The triangles are known variously as 3-D, virtual or just plain fake speed humps.
这种三角形的东西是所说的各种不同的3维，实际只是纯粹假的最高时速测量器而已。
"If there's a road with several speed humps then I'll be off by the time we've crossed the last one," she confessed. "I don't drive very often."
“如果路上有好几个减速带，那我就在通过最后一个之前下车，”她坦然地说道，“我不经常开车。”
Like many other municipalities, Philadelphia has tried a variety of devices to slow drivers: real speed humps, traffic circles, curb extensions, rumble strips, slightly raised crosswalks.
象其它许多城市一样，费城尝试过很多设备让车手减速，用过真正的减速带，交通圈，控制带，橡胶条，略微提升的行人过道。
An experiment was carried out to study the ground vibration induced by vehicle corssing speed control humps.
本文还对车辆通过减速带时引起的地面振动进行了实测研究。
An experiment was carried out to study the ground vibration induced by vehicle corssing speed control humps.
本文还对车辆通过减速带时引起的地面振动进行了实测研究。
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