对一个已经设置为有信号状态的事件对象再次执行该函数是无效的。
要将某个事件的状态修改为有信号状态，可以使用semop，并将sem_op的值设置为1。
你的内心也会得到正面的信号，让你保持在健康状态。
Your mind will also get positive signals that will keep you at a healthy state.
一种只有两种状态的信号。
信号：看板的可视化状态为下一步的领取操作或者生产操作作出指示。
Signal: Its visual status signals the next withdrawal or production actions.
任何隐藏状态都是一个危险信号。
初始状态：在Win32中，信号可能会有初始值。
Initial state: in Win32, the semaphore might have an initial value.
它将打印状态信息并将sleep命令发送给SIGINT信号。
It prints a status message and sends the sleep command a SIGINT signal.
在一个信号计数器释放之前，其他7 个线程都处于空闲状态。
The other seven are held at bay until one of the semaphore counts is released.
新！电池，信号和充电状态图标。
信号处理：如何解析代码和状态，wifexited等可以使用它们？
Signal handling: how to parse code and status so WIFEXITED etc. can use them?
在机械故障诊断中，对机器状态信号进行处理可得到故障特征集。
Fault features set can be obtained by processing machine condition signal in machine fault diagnosis.
明亮的LED指示灯显示继电器状态和信号强度。
Bright LED indicators show relay status and signal strength.
设备状态信号的处理是状态监测及故障诊断的基础。
Equipment condition signal processing is the foundation of condition monitoring and fault diagnosis.
您的移动电话处于待机状态时，仍会发射电磁信号。
Your mobile phone will send electromagnetic signal even when it is in standby state.
流量积算显示和不断随着电池状态，信号强度。
Flow rate and totalizer are displayed continuously along with battery status, signal strength.
对触点信号动作和限位开关的工作状态进行了说明。
Valve contact output action and work status of limit switch are illustrated.
刀具的切削力和振动信号是研究刀具磨损状态的很好的手段。
The cutting force signals and vibration signals are good means to research tool wear.
提出了一种实时控制图象信号的方法，使地物信号分布接近最佳状态。
A method is presented to transform the image signal into a reasonable distribution.
提出了一种实时控制图象信号的方法，使地物信号分布接近最佳状态。
A method is presented to transform the image signal into a reasonable distribution.
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