新型的交通工具有双深度或双阶段的司机和乘客气囊和重量感应器，根据乘员的大小、安全带的应用和座椅位置来改变气囊的力量。

Newer vehicles have dual-depth or dual-stage driver and passenger airbags and weight sensors that change the force of the airbag depending on occupant size, seat belt use and seat placement.

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虽然有文字标识告诉乘客，副驾驶安装了安全气囊，但没有标识警告乘客在副驾驶席要使用面朝后的儿童座椅。

There was also a text label advising occupants that a passenger airbag was fitted, but it did not warn against using a rearward-facing child restraint in that seat location.

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结论：仅使用安全气囊而不使用座椅安全带伴随着较高颈椎骨折并颈脊髓或不伴颈脊髓损伤发生率。

Conclusion. Airbag use without the concomitant use of a seatbelt is associated with a higher incidence of cervical spine fractures with or without spinal cord injuries.

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