计算机应用 信息系统与信息化 释文 information extraction system, IES 信息提取系统
- principal antiautomorphism
- principal approximate value
- principal argument
- principal automorphism
- principal axes
- principal axes of stress
- principal axis
- principal-axis method
- principal axis of inertia
- principal axis of strain
- principal axis solution
- principal axis transformation
- principal-axis transformation
- principal band
- principal base
- principal bending moment
- principal block
- principal branch
- principal bronchus
- principal bundle
- principal bundle connection
- principal category
- principal cell
- principal character
- principal circle