Most cantilever chairs require braces, which both ruin the visual lines of the chair and makes them rigid and uncomfortable.

大多数悬臂椅都需要支架，这既都破坏了椅子的视觉线条，又使它们变得僵硬和不舒适。

It's too far for somebody to see with the naked eye, so it was the first beyond the visual line of site trial.

由于飞行距离太远，肉眼很难看到，所以这是第一次超出观测视线的试验。

There's visual line mode: that can be reached by pressing capital V, and that selects whole lines at a time.

有视觉线模式：可以通过按大写 V 进入，并且一次选择整行。

The next frontier for drones and their regulation really is what's called beyond visual line of sight and this would enable drones to fly unlimited distance autonomously.

无人机及其监管的下一个前沿领域实际上是所谓的超视距，这将使无人机能够自主飞行无限距离。