我们周围的每个人似乎都认可，即使在地铁上没有信号，他们也会紧握手机不放。
Everyone around us seems to agree by the way they cling to their phones, even without a signal on a subway.
更重要的是，当人们处于危险之中而手机又没有信号时，他们可以使用北斗发送一条1200字的信息寻求帮助。
What's more, when people are in danger and there is no mobile phone signal, they can use Beidou to send a 1200-word message to ask for help.
李万枝在晚上11点时看了一下手机，仍然没有信号。
你试图打电话求救，但手机电量不足且没有信号。
You try to call for help, but your cellphone is out of power and out of range.
我的手机现在不能用，不是没电了就是没有信号了。
My cell phone is not working. Either the battery is dead or no signal can be received.
骑单车时与电力线干扰。5分钟没有信号就自动关闭。
Interference from power lines when cycling. Shuts off after 5 minutes if no signal is received.
偏移电流是开关卡产生的杂散电流(即使没有信号时)。
Offset current is a spurious current generated by a switching card even though no signals are applied.
如果市场没有信号，就要耐心地等信号，而不是强行交易。
It pays to wait for such signals instead of forcing trades when the market offers you none.
看起来非常确定的事情是：没有信号，更不用说物质，可以比光传播的速度快。
For it seems as certain as anything can be that no signal-still less any material object-can ever travel faster than light.
现在他们都住在木屋里，不能打电话给家人和朋友因为这里没有信号。
Now they are living in wooden bungalows. They cannot call their families and friends because in this place there is no coverage.
在有些实现中，线程可能偶尔在没有信号送到条件变量的情况下醒过来。
In some implementations, threads may occasionally wake up without a signal sent to their condition variable.
但是，一旦你发现手机没电了或者没有信号了，你就不能查到你想要的。
However, once you find yourself with a dead cell phone or in the wilderness, your access to the compendium is lost.
他在iPhone显示没有信号的时候和人家聊了10分钟，没有出现任何问题。
He had a conversation for 10 minutes while the phone was displaying no signal with no problem.
其结果就是接收天线没有信号可以接收——或者保守地说，只能接收大幅减弱的信号。
The result is there is no signal - or at least a very reduced signal - for the receiving antenna to receive.
但是什么也没有发生，孩子们跑来跑去，没有信号显示叫声是从哪里传出来的。
But there was nothing, only the children running in and out of their circles and games, and no sign of where the cry had come from.
当从事链接感官的业务或没有信号的输入和有关情况而定，进入待机模式的地方单位。
When engaged the Link senses a presence or absence of signal at the input and depending on conditions, places the unit into standby mode.
但是，日复一日，周复一周，然后没有信号来了，官员们开始放弃希望的反应实际接收。
But day after day and then week after week no signal came and officials began to give up hope of actually receiving a response.
使用信号的另一个新增的困难是，只通过运行测试用例不能够确保代码没有信号 bug。
Another complication with signals is that, just by running test cases you can't be sure that your code is signal-bug free.
从某种意义上讲，批评是公正的，因为在没有信号的那本书给我一个特别的事情这样的信仰。
In one sense, the criticism is just, because in the book I did not signal what an extraordinary thing such faith is.
依情况而定。手机在农村不实用，因为在偏远山区没有信号，不过他们可以使用相机来拍照。
It depends. Mobile phones are not useful for country people because there is no signal in the remote places but they can take photos with cameras.
除了少数树木被砍伐掉从而开辟出了一条道路外，这儿几乎没有其他人类存在的迹象——没有信号塔，没有远足者的足迹。
Apart from a few logging roads that threaded through the trees, there were no signs humans had been here - no cellphone towers, no hikers' refuges.
英国《每日电讯报》报道，澳大利亚科学家发明了一种新型手机，在一般手机没有信号的地方，这种手机仍然可以接打电话。
Australian scientists have created a mobile phone that can make and receive calls in places that would normally have no reception, according to the Daily Telegraph.
我于是就提醒她：“对不起，在飞行期间不允许打电话，而且，我们现在飞行在大洋上空——在这儿你手机根本没有信号。”
"Excuse me. That can't be on during the flight, " I reminded her. "Besides, we're over the ocean—you won't get a signal out here.
不过，这种对称性对于噪声抑制没有意义，系统应当能在没有信号时也能抑制噪声的发生（侵入），事实上，这通常是系统测试所需要做的。
The system must reject noise even when there is no signal and, in fact, this is usually how system noise testing is done.
不过，这种对称性对于噪声抑制没有意义，系统应当能在没有信号时也能抑制噪声的发生（侵入），事实上，这通常是系统测试所需要做的。
The system must reject noise even when there is no signal and, in fact, this is usually how system noise testing is done.
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