As mentioned earlier, kill -l lists all the signals with their corresponding signal number.
如前所述，kill- l可以列出所有信号及其对应信号编号。
To view the current list of signals, use kill -l (the letter l) command. The list is presented in the form (signal number, signal name)
要查看当前信号列表，使用 -l （字母l）命令。
As expected, the program has received a SIGILL (signal number 4) with an si code of 5, which is set when a privileged opcode is executed by a user-space program.
正如我们期望的一样，这个程序会接收到一个SIGILL(信号编号为4)信号，其si代码为5，这是在用户空间的程序执行特权操作时产生的。
Instead of using -s and a signal name, you can just prefix the signal number with a -, so the four forms shown in Listing 6 are equivalent ways of killing process 9285.
无需使用- s和信号名，只需在信号数之前加上-前缀，因此清单6中显示的四种方法都能够终止进程9285。
To use trap, you specify the command or function to be executed when the signal is trapped, and the signal number or Numbers that you want to trap, as shown here in Listing 13.
要使用跟踪，可以指定跟踪到信号时执行的命令或函数、要跟踪的信号编号，如此处的清单13中所示。
The validity of the method in BSS is proved through experiments. Thus the method can solve the problem of estimation of signal number in BSS, it paves the way to wider application of BSS methods.
将其用于盲源分离，通过实例证明了该方法的正确性和有效性，从而解决了盲分离中信号源个数的估计问题，为盲源分离技术的应用进一步奠定了基础。
Even while just standing in one place, a rapid decline in the number of signal bars can be observed depending on how the phone is gripped.
即使是站在一个地方不动，信号强度格数也会急速减少，这可以通过用户手持手机的方式观察到。
Sperandio suggests that any number of illnesses could be associated with your balance of bacteria, and that these illness might be tackled using signal interference.
斯博兰·迪奥认为许多疾病可以与菌群平衡联系到一起，可些疾病利用信号干预可能会得到解决。
Mixed signal #3: He asks for your number but never calls.
矛盾3：他要了你的号码，但从不给你打电话。
Using the natural reflectivity of ceilings and walls, a transmitted infra-red signal can be received by any number of receivers within a room.
利用天花板和墙面的自然反射性，传送的红外信号能够被一个屋子里的所有接收器接收到。
Electrical noise - essentially any unwanted signal - can arise from a number of sources.
电噪音-本质上是任何无用的信号-可以有各种来源。
The closer that number is to 0, the stronger the signal, and the better available reception you have.
数字越接近0，信号越强，所有拥有的可用信号接收就越好。
When exposed to a radio signal, they use its energy to send back the information they contain, mostly a long number identifying an object.
当这些标签暴露在无线电信号下时，它们将利用信号的能量发回其所包含的信息，这些信息大部分是用于识别物品的一长串数字。
When the exponent is all 1-bits (128), that's a signal that the number is either Inf, -Inf, or NaN.
当指数都是1 位（128）时，则表明这个数字是Inf、-Inf或NaN。
Wireless devices, however, introduce a number of different factors that make the transmission of this signal a lot more difficult.
而无线设备面临很多不同的因素可以使得信号的传输更加困难。
If a special tag-reader is waved near the arm, a radio signal prompts the chip to transmit an identification number which is used to call up information about the wearer in a computer database.
当专用标记阅读器在手臂附近晃动，无线电信号就会激活微芯片传送识别码，从而调出电脑数据库中该客户信息。
If this number were to increase or decrease significantly in the upcoming year, it would be a signal of some underlying change in the company's ability to generate cash.
如果该数字在下一年剧增或剧减，这或许是该公司创造现金的能力要发生某种潜在变化的征兆。
But in a move that is likely to disappoint markets, the Fed gave no signal about whether it will expand its asset purchases beyond that number.
但在这个可能令市场失望的举措中，美联储没有表明是否将扩大上述资产购买规模。
The good news: consumers signal a higher purchase interest based on the number of keywords contained in their search query.
这表明，在网民的搜索请求中，基于本地搜索的消费倾向越来越突出。
The path length (and therefore, the phase delay) varies, depending on the number of relays that the signal must go through.
依据信号必须通过的继电器数量的不同，路径长度(从而，相位延迟)也发生变化。
The backplane is a complex system containing a number of variables that can impact signal integrity.
背板是一个复杂的系统。它包括了一定数量的影响到信号完整性的变量。
Realistic signals are made by summing sine waves of lots of frequencies, so that after some finite number of wavelengths they interfere destructively and you get a signal of finite width and duration.
现实中的信号由各种频率的正弦波组成，因此，在有限的波长数后，它们会干涉相消，你就得到一个有限宽度和有限延续的信号。
The flow sensor made the leaf wheel change the pulse signal, the computer use the pulse number to record the heat water quantity.
流量传感器将叶轮转动信号转换成电脉信号，计算机通过记录脉冲数实现对流过的高温水进行累计测量；
This is calculated by dividing the number of inhabitants within range of a mobile cellular signal by the total population.
用处于移动蜂窝电话信号覆盖范围内的居民数除以总人口就可算出。
Signal filter: signal filters can be useful in a number of circumstances, such as when spurious noise is inadvertently added to the signal as it travels through the switch.
信号滤波：在许多的环境下，信号滤波是非常有用的，例如当信号通过开关时会加入寄生噪声时。
Once the desired information is extracted from the signal it may be USES in a number of ways.
一旦把有用信息从信号中提取出来，就能以多种方法利用这些信息。
Modern encoders are not only used in the CD-ROM area, but also as a means of transmitting signals, they use a number of digital signal processor to form a vision encoder.
现代编码器不只应用在CD - ROM领域，而且也是一种传输信号的手段，编码器使用一些数字信号处理器来构成视频编码器。
Modern encoders are not only used in the CD-ROM area, but also as a means of transmitting signals, they use a number of digital signal processor to form a vision encoder.
现代编码器不只应用在CD - ROM领域，而且也是一种传输信号的手段，编码器使用一些数字信号处理器来构成视频编码器。
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