If, however, the pair appears on the edge of an event horizon, either particle or hole may wander across the horizon, never to return.
然而,如果两者出现在视界的边缘,粒子或者黑洞都可能穿过视界再也不会来。
Considering a particle of rosin, the outside of the sample will oxidise first and will also be the first part to then decompose and return to being non-allergenic.
考虑松香粒子,该样本将氧化后,第一次外,也将在第一部分,然后分解,并重新成为非过敏。
Numerically studies the concentration distribution of biological particle similar as SARS virus particle in HVAC system with return air.
采用数值计算方法,对带有回风的空调系统中类似SARS病毒颗粒的生物颗粒浓度的分布规律进行了模拟分析。
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