Similar Windows already exist, but the researchers say their method allows for an almost instantaneous switch from opaque to transparent.
类似得窗户已经有了，但研究人员说，他们的方法可以使窗户在几乎是瞬间从不透明到透明。
An experimental unit for measuring instantaneous speed of high speed train passing through tunnel with a photoelectrical switch is designed.
设计了一套采用光电开关测量高速列车进出隧道瞬时速度的实验装置。
You can think of a switch as a device creating instantaneous connections between various ports, on a frame-by-frame basis.
你可以想像一个开关，它是一种在以太网帧基础上创造各个端口之间的连接的设备。
You can think of a switch as a device creating instantaneous connections between various ports, on a frame-by-frame basis.
你可以想像一个开关，它是一种在以太网帧基础上创造各个端口之间的连接的设备。
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