submapn.子变换；子映像subn.潜艇；替代品vi.替代vt.转包合同subsurface defect内部缺陷,亚表面缺陷subsolar position月下位置sublimation point升华点subsp. postalban.台湾亚种suburethral sling尿道下悬带subviral particle亚病毒粒子subsieve particle亚筛颗粒,亚筛粒子subcrepitant rale[医] 细捻发音subdwarf B star B型亚矮星subcutaneous mass皮下包块