nonblackn.非黑人nonadv.[拉]非；不是nongovernmental organizations非政府组织nonuniform propagating system非均匀传输系统nonfilament polymorphonuclear非丝连多形核白细胞non-degree-credit student不读学位的学生nonylaldehyde dimethyl acetal壬醛二甲缩醛non-reflector total station无反射棱镜全站仪non-negative pressure plumb无负压管网non-gray radiation property非灰辐射特性Non-Line edictal techniques非线性编辑技术Non-diabetic renal diseases非糖尿病性肾脏病变