空间框架单元  space frame element

框架处理单元  frame processing unit

超音波法液位元元元元元元测定  ultra-sonic method of liquid meaduremert

超单元组合—超单元—单元划分  divition of “super unit combine—super unit—unit

菜单框架  menu frame

单框架控制力矩陀螺  Single gimbal control moment gyro; single gimbal control moment gyros

高级简单框架  AS Profile

简单MVC框架  simple MVC framework

框架单位  rack units

框架元模型  framework meta-model

框架元素  Frame element; frame elements

线框单元体  wire frame component

八面体桁架单元  octahedral truss unit

成套开关设备柜架单元  Section of the Switchgear

单元架构  unit architecture

带寄生单元单极子天线  monopole antenna with parasitic elements

单元元件  unity element

基元单元  atomic unit

简单单元  simo probability