一本关于泰坦尼克号的新书说这艘毁灭的班轮在撞上毁坏船体沉没前的45分钟内冰山没有发出求救信号。
A new book on the Titanic has suggested that the doomed liner did not send out a distress signal for three quarters of an hour after it hit the iceberg which ruptured its hull.
只需在笔记本电脑上轻轻敲击一下键盘，我们就能通过无线网络向工作单元发送信号，进而控制机器人的行动。
With just a few keystrokes on the laptop keyboard we could steer the robot by sending signals over our wireless network to the laptop on the unit.
结果我可以把电视信号传到笔记本上，从我的服务器播放媒体，或通过互联网设置定时提醒。
The result - I can stream TV to my laptop, play content from my server and set record timers over the internet.
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