When that separation lasts for a period of time, the two populations are able to evolve along different trajectories.
当这种分离持续一段时间后，这两个种群能够沿着不同的轨迹进化。
These two processes of proof, in the narrow sense, and of appreciation, do not require a rigid separation in time. Both can be proceeded with nearly concurrently.
狭义而言，证明和鉴赏这两个过程，时间上并无严格区分，二者几乎可以同时进行。
I can't stand the Cowherd and the long time if the two conditions are not together, is doomed to separation!
我最受不了牛郎织女的两情若是长久时，不在一起注定要分离！
The lovers meet each other until at last time of heart-rending separation will not be more than two years.
从恋人相互碰到，直到最后心碎分离都不会超过两年。
But it can not reach the separation request at once time, so can proceed the two separation to sati...
但一次分离达不到分离要求，所以可以进行两次分离来满足要求。
According to the time scale separation principle, the flight system is divided into two subsystems, a quick loop and a slow loop.
根据时标分离的原则，将机动飞机分为快慢不同的回路。
The experimental results indicate that the effect of two - time separation is better than that of one - time separation.
实验表明，二次旋流的效果优于一次旋流效果。
The experimental results indicate that the effect of two - time separation is better than that of one - time separation.
实验表明，二次旋流的效果优于一次旋流效果。
应用推荐