单词	digital main network
释义	digital main network 数字干线网
随便看	derivation of finn derivation of focus derivation of phraseology derivation of reduction rules derivation of respiration rate derivation of ring derivation of the spin-space group derivation of value added derivationof water derivation of word-forms derivation of word sense Derivation on Infinite Matrix Rings derivationpareto derivation polynomial symmetric interpolation derivation principle derivation process derivation regulating action derivation rule derivative derivative absorption spectroscopy Derivative absorption spectrum derivative accounting convention derivative accumulation derivative AC polarograph derivative acquisition