head-on

adj.

正面的；迎头的；头朝前的；

adv.

正面地；迎头；头朝前地；

head-on collision对正碰撞，正碰

1. There was a head-on confrontation between management and unions.
   资方与工会之间发生了正面冲突。

1. The car hit the tree head-on.
   汽车迎面撞到树上。
2. Try to tackle the problem head-on.
   尽量正面处理问题。

Dark solitons and their head-on collisions in Bose-Einstein condensates
Head-On Collision Between a DNA Replication Apparatus and RNA Polymerase Transcription Complex
Head-on collision of two equal mass black holes.
The associations between adolescent head-on-neck posture, backpack weight, and anthropometric features.
Head-on collision of compact objects in general relativity
Evolution of Stellar Collision Products in Globular Clusters -- I. Head-on Collisions
Head-on collision of two black holes: Comparison of different approaches.
On head-on collision between two solitary-waves
On head-on collisions between 2 solitary waves
Direct restart of a replication fork stalled by a head-on RNA polymerase