NOEC无可见影响浓度noadv.不adj.没有；不是；禁止n.否定的回答；投反对票者No topics were found.没有找到相关的主题。no- reflow phenomenon无复流现象No condition on Axis IV轴Ⅳ无情况No Fault Responsibility无过错责任No gain without pain.不辛苦，无收获。No fracture dislocation无骨折脱位nointeracting condition自律性条件No man wants a scold.没人愿娶一个泼妇。No pop-up ads or spam没有广告私人文件保密no reinforcement needed无须补强