词汇	non porous wood
释义	non porous wood 医无配子生殖
随便看	difference gravitation difference grid difference group difference group delay difference-harmonization Difference-harmonization difference histogram difference histogram shifting difference hypothesis difference-identity relations difference image difference image analysis Difference image method difference images Difference-images difference imaging difference in difference-in difference in age difference in area and temperature Difference in aroma difference in character difference in charge difference in city and country difference in cognition