| 释义 |
signal-box 英'sɪɡnəlb'ɒks美'sɪɡnəlb'ɒks BNC¹⁴⁴⁶⁶⁴⁺³
基本英英例句
n.信号所¹⁰⁰
名词 signal box:
a building from which signals are sent to control the movements of railway trains用作名词The term propagation-delay refers to the average time it takes the input signal to propagate to the output.传导延时这一概念就是指从输人信号到输出信号所经历的平均时间。
The amount of energy needed to send a signal is so astoundingly small that electricity had to be reimagined as something altogether different from power.因为，发送一个信号所需的能量小得令人不敢相信，以至于电必须被想象成某种完全不同于能量的东西。 |