形式神经元    formal neuron
正向通路    forward path
正向推理    forward reasoning
分形体，分维体    fractal
变频器    frequency converter
频域模型降阶法    frequency domain model reduction method
频域响应    frequency response
全阶观测器    full order observer
功能分解    functional decomposition
功能相似    functional simularity
模糊逻辑    fuzzy logic

对策树    game tree
闸阀    gate valve
一般均衡理论    general equilibrium theory
广义最小二乘估计    generalized least squares estimation
生成函数    generation function
地磁力矩    geomagnetic torque
几何相似    geometric similarity
框架轮    gimbaled wheel
全局渐进稳定性    global asymptotic stability
全局最优    global optimum
球形阀    globe valve
目标协调法    goal coordination method

文法推断    grammatical inference
图搜索    graphic search
重力梯度力矩    gravity gradient torque
成组技术    group technology
制导系统    guidance system
陀螺漂移率    gyro drift rate
陀螺体    gyrostat

霍尔式位移传感器    Hall displacement transducer
半实物仿真    hardware-in-the-loop simulation
和谐偏差    harmonious deviation
和谐策略    harmonious strategy
启发式推理    heuristic inference