fluidics

flu.id.ics

n.(used with a sing. verb)（名词）（与单数动词连用）
The technology of using the flows and pressures of fluids in sensing, control, and information-processing systems with no moving parts.
射流技术：一种利用流体动力现象使不运动部件来完成传感、控制和信息传送等功能的控制技术