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The principal and design of a linear gray scale acoustooptic modulation driving source by linear compensation is introduced in this paper.
介绍一种线性灰度声光调制驱动电源的原理、设计及试验结果。
Therefore, if need to print black or gray of effect, can use blue, yellow, red, three colors to modulation gray.
因此，如果需要打印黑色或灰色的阶调效果时，只能使用青色、黄色、品红色等三种颜色来调制灰度。
AIM: To analyze the effect of substance K on pain modulation in the periaqueductal gray (PAG) of rats and indicate the neurotransmitter mechanism in endogenous analgesia system.
目的：分析K物质在大鼠中脑导水管周围灰质中参与痛觉调制的作用，揭示内源性镇痛系统的神经递质机制。
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