nonylene壬烯nonadv.[拉]非；不是non-preventive medicine program非预防医学专业nondestructive testing techniques无损检测技术non-fixed water dispatch market非固定调水市场non-physical cultural heritages非物质文化遗产non-metallic micro-inclusions非金属显微夹杂物non-invasive prenatal diagnosis无创产前诊断non-specific mental retardation非特异性精神发育迟滞non-communist political figures民主党派人士non-metallic inorganic material无机非金属材料non-phosphate detergent builder无磷洗涤助剂