natural bow静挠度, 自然挠度
naturaladj.自然的；天然的；私生的
natural vibration propertiy of structure自振特性
natural convection boundary-layer flow自然对流
Natural Numeral Marvelous Imagery Memory自然数码奇象记忆
natural electromagnetic field fluctuation自然电磁场起伏
natural convection air-cooled condenser自然对流空气冷却式冷凝器
Natural Resource and Environmental Assets自然资源与环境资产
natural gas transmission and distribution天然气输配
natural eco-tourism resources in Shanxi山西自然生态旅游资源
Natural pearls and semi-precious stones葡萄牙求购天然珍珠,半宝石
natural killer cell mediated cytotoxicity天然杀伤细胞介导细胞毒性
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