Even so, powerful signals point to a long period of sub-par growth.
即使这样，强烈的信号仍然指出长时间的低增长。
The answer is that small signals can matter, even to very big countries.
答案是，即使对非常大的国家来说，小行动也会很重要。
Even a mighty express train can be held up by signals.
因为即便是特别快车也可能被信号拦住。
You can even learn to give false signals.
甚至你们还能学会发出虚假的信号。
Even a few minutes of exposure to it signals your brain to stay awake.
几分钟暴露在这种光之下甚至是向你的大脑发出讯号：保持清醒！
A current that comes from a switching card even though no signals are applied.
在未加有信号时通过开关卡的电流。
A current that comes from a switching card even though no signals are applied.
在未加有信号时通过开关卡的电流。
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