超音波法液位元元元元元元测定
ultra-sonic method of liquid meaduremert
夹具元件库
database of fixture components
图形元件库
graphical components library
微机电元件库
micro electro-mechanical components library
虚拟元件库
Modeling of Virtual Component
液压元件库
hydraulic component library
电[解]解离
electrolytic dissociation
多元解析函数
analytic function of several variables
二元解析函数
bivariate analytic function
binary analytic function