有效意识时间，指失压缺氧后可供进行合理的活命决策和实施措施的最大时间限度。或者指在没有氧气供给的情况下飞行员能有效维持正常操作的时间。
高空迅速减压后氧的的反向弥散有两个过程，且与减压瞬间生理效应和有效意识时间有联系。
The oxygen inversion diffusion after decompression had two processes, which was associated with the time of useful consciousness and physiological effects.
其他专家迅速注意到该实验的前驱性，并意识到该药物还必须经历长时间的实验检验以确定它的安全性和有效性。
Other experts are quick to caution that the tests are preliminary, and that the drug must be tested over much longer periods of time to be sure it is safe and effective.
具备销售意识，能承受工作压力，能有效合理安排时间并保证既定目标的实现；
Awareness of sales, work under pressure and arrange the time in a reasonable and effectively way; be sure to achieve the set goal.
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