fast-neutron diffusion length是什么意思

用法例句

Experimental study on human osteosarcoma OS-732 cell line irradiated combined fast neutron with photon;

快中子及混合线照射人成骨肉瘤OS-732细胞系的实验观察

Fast neutron radiotherapy for soft tissue sarcoma;

快中子放射治疗软组织肉瘤的疗效分析

Study on structural parameter of PIN fast neutron dose detector;

PIN型快中子剂量探测器的结构研究

Generation of minor group cross section library for micro beryllium-reflex layer fast reactor;

微小型铍反射层快中子堆专用群截面数据库的制作