The usage of dummy have important function in vehicle security crash test, and that, the neck is the key part of dummy.

假人在汽车碰撞安全试验中有着重要的作用，而颈部是其关键的部位。

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Vehicle security inspection is an important means to ensure the good condition of vehicles and reduce the hidden dangers of traffic accidents.

机动车安全技术检验是确保机动车车况良好和减少道路交通事故隐患的一个重要手段。

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Archaeologists first noticed remnants of the ship - curved pieces of wood buried 30ft below street level - in a planned underground vehicle security centre last summer.

考古学家在去年首先注意到了这艘船的残骸——埋在街道地下的30英尺的弯曲的木头碎片，在一个精密的交通安全中心的地下。

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In his request to be relieved of duty, General Fonseka asked the president to allow him to keep a security detail, including trained combat soldiers, and a bullet proof vehicle, saying the defeated rebels are yet capable of trying to kill him.

VOA: standard.2009.11.14

If the vehicle in the unfortunate circumstances of a collision, has to be able to maintain the security of the hydrogen which means more mass, which means a lot of the efficiency is being squandered What's the environmental impact of hydrogen production?

如果车辆,在碰撞中发生了不幸，要仍然能够保持氢气的安全性的话,意味着需要更多的质量，也就是说大部分效率被浪费了,制氢对环境有什么影响呢？

麻省理工公开课 - 固态化学导论课程节选

To manufacture cars that meet strict security requirements, automotive companies must deliver in-vehicle wireless security on par with that offered by wired systems.

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Security in a wide area surrounding the hotel has been increased in recent weeks with police patrols, vehicle checkpoints and security barriers.

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Most of the discussions center on incidents, such as break-ins, speeding reminders, and gate or security vehicle repairs.

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