The straight arrow connecting the two points is the vector from the origin to B.

连接两点的直箭头是从原点到 B 的向量。

These companies had built their telegraph lines precisely as the railroads had laid their tracks; that is, independent lines were constructed connecting two given points.

这些公司完全按照铁路铺设轨道的方式建造了电报线。 也就是说，构建了连接两个给定点的独立线。

This is so obvious, so basic that perhaps we are only prompted to reflect upon it when a different idea about thinking is presented, such as that thought is connecting data points in formal sequences.

这一点再明显、再基础不过了，所以但凡有新观点出现的时候，我们都会不由自主地想到这个观点，也就是思考的过程就是将数据点以正式的顺序连接起来。

When you look at their maps, you can see that just a one foot rise in sea level threatens thousands of miles of these cables and hundreds of critical connecting points.

当您查看他们的地图时，您会发现海平面仅上升一英尺就会威胁到数千英里的这些电缆和数百个关键连接点。