It was constructed that an optimal problem for gate locations of injection molds based on the introduction of the equivalentflow length concept.
文中通过引入等效流长的概念，建立了浇口位置优化问题。
2
This paper studies the dynamic characteristics of Electro hydraulic Position Servo System, and proposes a method of equivalentflow feedback to realize serial control.
针对单回路电液位置伺服系统的动态特性，提出了一种等效流量反馈的控制方法，从而实现了串级控制。
3
With equivalentflow resistance method and on the base of the productivity formulae of a horizontal well, a new productivity formula of a fishbone well was derived in the paper.