词汇	cryptocephalic pupa
释义	cryptocephalic pupa 隐头蛹
随便看	delay differential equalion delay differential equation delay-differential equation delay differential equations Delay Differential Equation with Impulse delay differential inequality delay differential system delay-differential systems delay digit delay dinner delay disappointingly delay disconnect signal delay discounting delay discriminator delay disortion delay dispersion delay distance delay distortion delay distortion measuring equipment delay distribution delay distribution analysis delay division delay-Doppler delay-doppler correlation function delay doppler correlation funtion