PNW=Present Net Worth 纯现值, 净现资本PNabbr.本票；期票（=Promissory Note)pneumoprecordium[医] 心前间隙积气pneumarthrograph关节充气造影术pneumoserothorax[医] 浆液气胸pneumomyelograph充气脊髓造影术pn coded signals伪噪声编码信号pneumogastroscop充气胃镜检查pneumocystograph膀胱充气造影术pneumococcolysis肺炎球菌溶解Pneumo-Perfect一种五官科冲洗及吸引装置pneumogastrogram胃充气造影片