To signal an event, semop is used with sem_op value as 1.
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。
But this crossover is a signal of long-term value.
但是这个转换是一个长期的信号。
The gray value of signal point is unchanged.
对信号点不加处理，灰度值不变。
The positive instantaneous flow signal were transmited by absolute value circuit.
用绝对值电路输出正极性瞬时流量信号。
Microwave equipment, microwave measuring equipment, microwave signal source, microwave equipment also very special value.
微波仪器方面，微波测量仪器、微波信号源、微波专用仪器也极具应用价值。
Price is the value signal of product, value decides price.
价格是商品的价值符号，价值决定价格。
Capable of receiving DMX signal, start address, refresh rate and channel value display.
具备接收dMX信号功能，可显示DMX信号的起始码、刷新速度、通道值等。
The vibrating signal is an important value in trouble diagnosis of fans.
风机的振动量测量是风机故障诊断的一个重要参量。
The utmost high value of signal noise ratio can significantly improve the image quality.
最大限度地提高信噪比能有效地改善图像质量。
The process of reading the value of a signal at evenly spaced points in time.
点击用于分隔小时、分钟和秒的符号。
The process of reading the value of a signal at evenly spaced points in time.
点击用于分隔小时、分钟和秒的符号。
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