Local adaptations and evolution over long periods of isolation promoted fascinating species adaptations to local conditions.
在长时间的隔离状态下,地方适应性和进化促进了绝佳的物种适应当地的环境。
2
Two consecutive incubation periods must elapse, a total of 42 days following the identification and isolation of the last confirmed case, before the outbreak is considered controlled.
必须度过两个连续的潜伏期,即确认和隔离最后一起确诊病例之后总共42天,才能认为疫情已得到控制。
3
By comparing the isolation period with the critical and maximum periods, the limit ratio can be obtained by using the corresponding formulas.