Mr. Mayer and his colleagues then compared the results to known reaction levels at sea level.
然后,迈尔和他的同事将该结果与在海平面高度上所做相同实验的结果进行了比较。
2
Individuals are so diverse that it's hard to define a level that guarantees no one will have an adverse reaction, so instead they must just try to minimise the risk.
由于个体差异如此多样,很难界定一个能保证没人会产生有害反应的标准,所以,他们反而必须尽量减少危险。
3
The images flash so fast that this lack of reaction is at the unconscious level.