And the evolution of history is actually a renewing process of the type of knowledge.
历史的演进实际上就是知识类型更新的过程。
Before the existence of human, the process of biological evolution is accompanied with species extinction.
人类出现之前，生物进化的过程中就伴随着物种的灭绝。
Meanwhile, the evolution of foams during the foaming process has been studied.
还研究了气泡在保温发泡阶段的演变过程。
The central city plays an important part during the evolution process of metropolitan circle.
在都市圈的演化过程中，中心城市起着非常重要的作用。
Through the process the initial system gain some immune function, it provide a basic condition for the evolution of the immune system.
该过程使初始产生的系统具有一定免疫功能，为免疫系统的进化提供了一个基础条件。
Through the process the initial system gain some immune function, it provide a basic condition for the evolution of the immune system.
该过程使初始产生的系统具有一定免疫功能，为免疫系统的进化提供了一个基础条件。
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