high-velocity neutron 高速中子 ; 快中子
low-velocity neutron 低速中子
one-velocity neutron transport equation 单速中子输运方程
neutron velocity 中子速度 ; 中子速度选择器
neutron velocity distribution 中子速度分布
neutron velocity selector 中子速率选择器 ; [核] 中子速度选择器
We need to know the velocity of the neutron which we can talk about with energy and we need to know the time, when did this take place?
我们需要知道中子的速率，我们能够用能量来谈论它，我们需要知道时间，它什么时候会发生？
A ten-gram object thrown onto a neutron star — the reason being that this velocity becomes enormously high.
原因就在于-，速度，变得无穷大，若扔到中子星的物体。
To predict the rising velocity of hydrogen gas and the influencing factors, a suitable working fluid was determined for experimental simulation on the vold fraction of hydrogen in a neutron moderator.
为了推断中子慢化剂液氢中气化氢气泡的上升速度及影响因素，选取合适的工质进行了含气率的模拟实验。
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