伴随季节性流感，人们大概在4天内出现症状。然而对于这一新的流感应变，潜伏期可能会更长。
With seasonal flu, people develop symptoms within about 4 days. However for this new strain of flu, the incubation period may be longer.
基于电磁学的涡流效应原理，提出了涡流感应加热法这种优越于传统混凝土冬期养护的绿色养护方法。
Based on the principle of vortex effect in electromagnetics, a green curing method that is superior to traditional winter concrete curing is brought forward in this paper.
提出的智能电度表与专门设计的分时计费电度表不同，毋须更换原有的感应式电度表，利用单片机功能，略加改装，便能使之具有在用电的高峰期与低谷期分时计算电费的功能。
The intelligent time-sharing meter presented by the author is different from the traditional ones specially designed for this purpose; replacement of kilowatt-hour meters now available is not needed.
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