Signal unit initial alignment - invokes initial alignment prior to activating or restoring a signaling link.

信令单元初始定位——在激活或恢复信令链路之前调用初始定位。

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Signal unit error detection and correction - discards detected erroneous message and requests a re-transmission.

信令单元错误检测和校正——废弃检测到的出错消息并请求重新传输。

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Methods the equipment was composed of intervention ultrasound stiffness detection catheter, physiological signal unit and mainframe.

方法仪器由介入超声硬度检测导管、生理信号单元和主机组成。

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Now this is a rain gauge, and it's sitting on a roof of a building, and when the water falls into this gauge, it sends a signal to the logic unit of the computer, which immediately notifies the memory bank of the computer to seek out its instructions for a rainy day.

这是一个雨量测量器，安装在一个楼房的,屋顶上，当水流入到这个测量器，它就给计算机的逻辑部件发送一个信号，计算机立即通知内存条,为下雨天找出相应的指令。

哈佛公开课 - 计算机科学课程节选

The unit receives a video signal from analog cable or a broadcast antenna and rescales the image to be compatible with high-resolution monitors.

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This, in the end, may be the reason Google is letting go (and could also signal that Cisco will soon sell its own TV set top box unit) as Asian competitors may be turning set top boxes into commodities.

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He talks up the importance of a strong unit of account, but refuses to engage in any actions that would signal to the markets he's serious.

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