喷气式飞机目前装备的防撞设备已让大型客机的空中碰撞鲜有发生，不过许多轻型飞机和直升飞机并未加载此类设备。
The anti-collision equipment currently fitted to jets has already helped make mid-air encounters between airliners rare, but many light aircraft and helicopters are not fitted with such kit.
沃尔沃为福特和它的其他品牌贡献了防撞预警系统、乘客约束技术和其他安全设备。
Volvo contributes collision warning systems, passenger-restraint technology and other safety equipment used by Ford and its other brands.
防撞器蜂鸣器无线电信标发射机，隐藏在车辆内侧或外侧，用于无线嵌入设备。
Bumper Beeper radio beacon transmitter, hidden in or on a vehicle for use with radio tailing equipment.
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