natural son私生子naturaladj.自然的；天然的；私生的natural rhinovirus infection鼻病毒自(天)然感染Natural gamma ray spectrolog自然伽玛能谱测井natural depletion of numbers自然减员natural language translation[计] 自然语言翻译natural lime-silica cement天然石灰硅砂水泥natural-function generator解析函数编辑程序,自然函数生成器natural fibre woven products天然植物编织品Natural Sci-Tech Resources自然科技资源natural product as inhibitor生物缓蚀剂natural technical innovation自然技术创新