visible signal的意思|示意

Every vertical blank, the hypervisor DMAs this buffer to the GPU memory, and then flips the GPU's visible page to the new data synchronously with the vertical blank signal.

对于垂直方向上的每个空格来说，管理程序都会采用 DMA 方式将自己的缓冲区读到 GPU 的内存中，然后将 GPU 的可视页刷新为与垂直空格信号同步的数据。

That amplifies the original dim signal, composed of just a few photons, until it becomes visible.

当发射光照到相机的传感器上时，每个像素点抓取一个特定的波长，并对匹配波长的光线进行电子放大。 从仅有几个光子的微弱的原始信号，放大到可见的强度。

Because they were so sensitive to deadly gases such as methane and carbon monoxide, a canary dropping off its perch was a highly visible signal to the miners that it was time to leave.

因为它们对于甲烷和一氧化碳等致命毒气非常敏感，从栖木上掉下来的金丝雀是一个明显的信号，告诉矿工是时候离开了。