You have a single beam coming in, and you end up with rings.

单个光束进来，以光圈的形式出去。

麻省理工公开课 - 固态化学导论课程节选

When it cuts it leaves sticky ends or un-base paired single stranded regions on each end of the part its cut and that's just a property of many restriction enzymes; not all, some cut blunt,just right down the middle.

它切割后会留下两个粘性末端,或者未配对的单链部分,这是许多限制性内切酶的特性,但不是全部,有些限制性内切酶是从中间钝切的

耶鲁公开课 - 生物医学工程探索课程节选

And secondly, that the head of each state would have the right to determine the religion of the state, again thus putting an end to the claims of a single universalist church.

第二，每个国家的首脑,都有权决定,国家的宗教，因此终结了,由一种宗教统治全国的局面。

耶鲁公开课 - 政治哲学导论课程节选