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
- endodyocyte
- endodyogeny
- endoedermis
- end-o-end encryption
- endoenzyme
- endoergic
- endoergic process
- endoergic reaction
- end of a manifold
- end of a minimal surface
- end of an arc
- end of a segment
- end of a space
- end office
- end of grazing
- End of Heat
- end-of-life vehicles
- end of line
- end-of-pipe treatment
- End of Process Control
- end of proof
- end-of-tape marker
- end of text character
- end of text character, ETX character
- End of the Kingdom of Yue