您要查找的是不是：
- XST enhancement for better language support and preservation of internal signal names. 增强了语言支持,并能保存内部信号名称。
- An international signal used by a distressed ship or aircraft to request help, as by radio broadcasts, flags, or flares. 遇难（呼救）信号：处于险境中的船只或飞行器，如通过无线电广播、旗帜或照明弹来呼救的国际通用信号
- While in loopback mode, driver outputs are internally connected to receiver inputs creating an internal signal path convenient for diagnostic testing. 在回送模式中，驱动器输出在内部与接收器输入相连，建立一个内部信号通路以方便诊断测试。
- This field specifies second value in the ITU-T 14-bit international signal transfer point code pair and should not be used if the 24-bit signal transfer point code pair has already been specified. You can only specify one or the other,never both! 该字段指定 ITU-T 14 位国际信令传输点编码对中的第二位数且如果已经指定了 24 位信令传输点编码对就不能使用该字段。 只能指定其中的一个点编码对或另外的一个点编码对，一定不能两个都指定！
- This field specifies second value in the ITU-T 14-bit international signal transfer point code pair and should not be used if the 24-bit signal transfer point code pair has already been specified. You can only specify one or the other, never both! 该字段指定 ITU-T 14 位国际信令传输点编码对中的第二位数且如果已经指定了 24 位信令传输点编码对就不能使用该字段。 只能指定其中的一个点编码对或另外的一个点编码对，一定不能两个都指定！
- This field specifies second value in the ITU-T 14-bit international signal transfer point code pair and should not be used if the 24-bit signal transfer point code pair has already been specified. 该字段指定 ITU-T 14 位国际信令传输点编码对中的第二位数且如果已经指定了 24 位信令传输点编码对就不能使用该字段。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- I stood watching for the signal to change to green. 我站着等待交通信号转为绿灯。
- A special version of a processor that has some of the internal signals brought out to external pins. 一种特别版本的处理器，它有一些，内部的信号能传达到外置的针脚上。
- Let's set the clock by the radio time signal. 咱们照着收音机的报时信号把钟对一对。
- A red lamp is often a danger signal. 红灯常常是危险的信号。
- The new intern is a little frisky. 这个新来的实习生有一点爱戏闹。
- A reflected signal on a communication channel. 一种在通信信道上反射回来的信号。
- The rise in prices was a signal for rebellion. 物价上涨引起了叛乱。
- I worked as an intern in that firm last summer. 去年夏天我在那家商行实习。
- A channel over which pilot signal is transmitted. 可在其上传输导频信号的一种信道。
- The signal was picked up by a downrange radar station. 该信号被试验飞行方向之内的雷达站收到了。
- The driver is winking his lights to signal a turn. 驾驶员打着一闪一闪的灯光信号表示要转弯。
- Everyone uncovered when the signal sounded. 信号响时，人人脱帽致敬。
- The train must stop when the signal's red. 信号机是红色时,火车必须停驶。
