综性剂量反应低限值
Threshold of linear response
单位质量反应热
reaction heat per unit mass
均质核反应器
homogeneous nuclear reactors
质量反应性系数
mass coefficient of reactivity
低反应器准位引入信号
low reactor level initiation signal
低能核反应
fusion reaction in low energy
low-energy nuclear reaction
低相对分子质量反式聚丁二烯
low relative molecular mass trans-1
4-polybutadiene
低质低效
low quality and low effect