And though we have made our share of mistakes and course corrections, we have held fast to the principles that have been the source of our strength, and a beacon to the world.

虽然我们也犯过错误，也修改过行动的方向，但我们一直坚持这些原则。这些原则是我们力量的源泉，是一座普照全世界的灯塔。

youdao

Using a beacon in the free space laser communication system is an important method of finishing the acquisition course.

采用信标光是完成卫星激光通信捕获过程的一种重要手段，信标光的远场分布对捕捉概率和捕获时间有较大的影响。

youdao

Of course, there is still plenty more selling to do for Beacon.

WSJ: Plots & Ploys: Taking Seagram

And though we've made our share of mistakes, required some course corrections, ultimately we have held fast to the principles that have been the source of our strength and a beacon to the world.

WHITEHOUSE: President Obama: Our Security, Our Values