词汇	duty-free treatment
释义	duty-free treatment 免税优待
随便看	morphological neural networks kernel morphological neuron Morphological observation morphological opening-and-closing operation morphological operation morphological operations morphological operator morphological operators morphological organization morphological paradigm Morphological parameter morphological parameter m morphological parameters morphological performance morphological physiology morphological plasticity morphological polymorphy morphological process morphological processing morphological processing in polar coordination morphological profile morphological properties morphological property morphological pyramid morphological quantitative trait