词汇	ecologic facies
释义	ecologic facies 生态相
随便看	derivative equalization derivative equalizer derivative error derivative estimation derivative evidence derivative feedback derivative fiber derivative fibre derivative file derivative financial instrument derivative financial instruments Derivative of Luminol derivative of n th order derivative of oxazoline derivative financial tools derivative fluorescence spectrometry derivative fluorescence spectroscopy derivative form derivative formation derivative-free line search derivative free method derivative-free method derivative free methods derivative function derivative functions