uncollided neutron flux

例句：

1. 1. The research team found the site uncollided and ready for further exploration.
   研究小组发现该地点未碰撞且适合进一步探索。
2. 2. The scientists were surprised to find that the sample was uncollided.
   科学家们惊讶地发现样本未碰撞。
3. 3. The uncollided state of the artifacts is crucial for their preservation.
   文物未碰撞的状态对于其保存至关重要。