signal flag

1. The only thing you should normally do inside a signal handler is set a global flag that will be processed later.
   在一个信号处理器内部，您通常应该做的一件事是，设置一个将在以后处理的全局标记。
2. ( military) the beating of a drum as a signal for lowering the flag at sundown.
   （军事）作为日落降旗信号的鼓声。
3. A colour transmission contains the same information as a black and white transmission. An additional signal carries the colour information. A white flag is used as a token of surrender.
   彩色传送包含黑白传送的同样信息，但彩色信息需要一个附加的信号。
4. The main products are: cone-shaped lamp, solar street lighting, courtyard, Jingguan Deng, Gao Gandeng series; traffic signal pole, under control, flag poles, and overhead billboard campaign.
   主要产品有：太阳能灯、庭院灯、景观灯、地理灯、格栅灯、草坪灯、高杆灯、地面插座、桌面插座系列。
5. To signal with or as if with a flag.
   打旗号或象打旗号似地表示。
6. To convey ( a message or signal) by waving an upraised arm, a flag, or a light.
   打旗语发信号，用灯光发信号通过摇摆举起的手臂、旗子或灯来传达（信息或记号）
7. Signal by or as if by a flag or light waved according to a code.
   按照代码通过旗或晃动的灯示意。
8. Send a signal by waving a flag or a light according to a certain code. A white flag is used as a token of surrender.
   挥舞旗帜作为一种信号。白旗是用作投降的信号。
9. Characteristics of sampled format optical disk are analysed briefly, the influence of different wobble flags on the tracking error signal is discussed and a wobble flag structure capable of obtaining the maximum tracking servo signal gain is put forward.
   本文简要分析了采样伺服光盘的特点，讨论了不同摆结构对径向误差信号的影响，从而提出了能获得最大跟踪伺服信号增益的摆结构。
10. Its function consists of data-gathering, digital trap, data signal, flag alarm, digit communication and so on.
    系统软件的主要功能有：数据采集功能、数字滤波功能、线性化处理功能、信号报警功能、数据通信功能等。

noun

1. a rectangular piece of fabric used as a signalling device

   Synonym:    flag