词汇	a blood vessel
释义	a blood vessel. 血管
随便看	spectral editing spectral efficacy spectral efficacy at a specified wavelength spectral efficiencies spectral efficiency spectral eigenvalue analysis spectral elememt method spectral element spectral element method spectral elements method spectral emission spectral-emission curve spectral emission rate spectral emissive power spectral emissivity spectral emittance spectral encoding spectral energy spectral energy analysis spectral energy density spectral energy distribution spectral energy distribution curve spectral energy flux spectral energy ratio spectral energy unit