collision strength

例句：

1. 1.The car's collision strength is rated at 50 kilonewtons.
   这辆车的碰撞强度被评定为50千牛。
2. 2. The new safety measures have significantly improved the vehicle's collision strength.
   新的安全措施已经显著提高了车辆的碰撞强度。
3. 3.The engineer tested the materials to ensure they met the required collision strength standards.
   工程师测试了这些材料，以确保它们符合所需的碰撞强度标准。