更确切地说，研究人员们已经确定这些神经元信号正记下时间间隔，并以几十毫秒的速度标记时间。
Rather, the researchers have determined that the neuron signals were marking intervals of time, ticking off time-stamps down to tens of milliseconds.
但我们不掌握确切解释这些信号的科学知识。
But we do not have the scientific knowledge to interpret these signals with certainty.
此次事故的确切原因仍不确定，所以无法知道信号系统对事故的发生可能起到了何种作用（如果确实起了作用的话）。
The precise cause of the disaster remains uncertain, so there is no way to know what role, if any, the signaling assembly may have played.
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