V2EX understeering

UNDERSTEERING

释义 Definition

understeering(名词/动名词):转向不足、推头。指车辆转弯时前轮抓地力不足,车辆实际转弯半径比驾驶者期望的更大,表现为“怎么打方向都不太愿意转进去”,车头更容易向外侧滑去。(在汽车工程与驾驶语境中最常见;相关的动词是 understeer。)

发音 Pronunciation (IPA)

/ndrstr/

例句 Examples

The car started understeering on the wet road.
车在湿滑路面上开始出现转向不足。

If you enter the corner too fast, the front tires can lose grip and cause understeering, pushing the car wide.
如果你入弯速度太快,前轮可能失去抓地力导致转向不足,车头会被“推”向弯外。

词源 Etymology

由 **under-**(不足、低于预期)+ steer(转向、操控方向)+ -ing 组成,用来描述“转向量/转向效果不足”的状态。该词主要在汽车工程、赛车与驾驶技巧讨论中形成并普及。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Race Car Vehicle Dynamics(William F. Milliken & Douglas L. Milliken)系统讨论 understeer/oversteer 与车辆动态学。
  • Tune to Win(Carroll Smith)以调校与操控为核心,频繁使用 understeer 等术语。
  • Vehicle Dynamics and Control(Rajesh Rajamani)在车辆控制与稳定性章节中涉及 understeering 现象与模型。
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