In this process, the original crowd began to transition to the clan society, above all, theemergence and formation of matriarchal society.

就在这个过程中，原始人群开始向氏族社会过渡，首先是母系氏族社会出现和形成。 。

youdao

However, the mechanism for the formation and transition of these structures has remained unclear up to now.

然而，这些结构的形成和转变的机理目前还不十分清楚。

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A simple central clearing system is proposed as a transition before the formation of a larger-scale network of urban rail transit.

在城市轨道交通线网规模尚未形成的情况下，提出自动售检票系统清分中心的过渡方案——小清分系统。

youdao

Mr. Brennan, on behalf of President Obama, expressed support for Libya's ongoing government formation and transition to democracy and accepted condolences for the tragic deaths of four Americans in Benghazi last month.

WHITEHOUSE: The White House

Becoming a proponent of Mr Sharon's unilateral disengagement and latterly backing former US President George W Bush's call for the formation of a Palestinian state was a major ideological transition for Ms Livni.

BBC: Profile: Tzipi Livni