理学 3D打印中的几何计算 释 fused deposition modeling; FDM 支撑结构的计算与优化 熔融沉积式打印机（fused deposition modeling，FDM）由于价格低廉、操作简单而具有较高的普及程度。但其最大的缺点是无法直接打印模型中的悬空部位。这时往往需要用户在切片之前给悬空部分添加支撑结构，将支撑结构连同模型一起被打印，并在结束后人为去除。
网络与数据通信 协议体系与组成结构 释文 frequency division multiplexing, FDM 频分多路复用
- uncertain decision-making strategy
- uncertain knowledge representation method
- uncertain models
- uncertain multi-disciplinary optimization
- uncertain programming
- uncertain reasoning
- uncertain region
- uncertain system
- uncertainty
- uncertainty analysis
- uncertainty analysis of combustion kinetic model
- uncertainty analysis of life cycle assessment
- uncertainty data
- uncertainty evaluation
- uncertainty force
- uncertainty management
- uncertainty measure
- uncertainty principle
- uncertainty problem
- uncertainty quantification
- uncertainty reasoning
- uncertainty reduction theory
- uncertainty relation
- uncertainty-sensitive planning
- uncertainty treatment of experimental data