词汇	Approximate gradient
释义	Approximate gradient 近似梯度
随便看	soundinsulation sound insulation sound-insulation sound insulation, absorption of vibration sound insulation and noise reducing sound insulation board sound-insulation capability sound insulation chamber sound insulation character sound insulation characteristic sound insulation characteristics sound insulation chimney sound insulation class sound insulation coefficient sound insulation construction sound insulation curtain sound insulation door sound insulation enclosure sound insulation factor sound insulation floor construction sound insulation for buildings sound insulation for loss sound insulation function sound insulation glass sound insulation grading